Human Digestive System - Mechanical Digestion Structures
In the human digestive system, various structures play a crucial role in mechanical digestion. Learn about these structures and their functions, such as emulsification, absorption, and transport. Explore the significance of bile in digestion and understand its role in raising pH, making alkaline, and neutralizing chyme. Gain insights into the functions of the pancreas, liver, gall bladder, and more in optimizing the digestive process.
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3.3.4 Human Digestive System 2 Follow-Me iQuiz
Q. Name a structure in the human digestive system, other than teeth, which is involved in mechanical digestion. 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. Describe two functions of bile in relation to digestion. 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. Where is lipase secreted? 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. What are symbiotic bacteria? 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. Name the part of the digestive system in which the products of digestion absorbed into the blood. 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. Explain how the ileum (small intestine) is adapted for the absorption of the products of digestion. 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. What is meant by the term digestion? 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. Where in the human body is the liver located in relation to the stomach? 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. Name a process involved in the passage of the products of digestion into the blood. 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. A person who has suffered from constipation may be advised to increase the amount of wholegrain cereal in her/his diet. Why? 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. Why is digestion necessary? 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. From what organ does the bile duct leave? 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. From which part of the alimentary canal does food arrive into the duodenum? 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. Name the part of the digestive system in which water is absorbed into the blood. 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. Where does lipase act? 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. Give two activities of symbiotic bacteria in the human digestive system. 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. State one digestive function of the pancreas. 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. What process results from the contraction of the muscles in the small intestine? 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. Indicate which of the following most accurately represents the pH of the contents of the small intestine. Acidic. Neutral. Alkaline. 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. Name two glands that pass their secretions into the small intestine. 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. What is the approximate pH of the site of action of lipase? 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. Proteins are digested to simpler substances. What are these simpler substances called? 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. In which organ is food churned into chyme? 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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Q. Which teeth grind food into smaller pieces? 5 7 Colon Molars 5 7 Colon Molars Diffusion; Passive transport 7 9 Pancreas; Duodenum Diffusion; Passive transport 7 9 Pancreas; Duodenum Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Digestion; Production of vitamins; Benefit immune system Above and to the right Pancreas; Liver Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Adds fibre, fibre absorbs water, peristalsis encouraged, faster digestive transit Duodenum; Small intestine Peristalsis Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Emulsification; Raises pH; Makes alkaline Produces enzymes; Neutralises chyme Alkaline Solubility; Absorption; Transport Amino acids Gall bladder Solubility; Absorption; Transport Amino acids Gall bladder Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Bacteria that live in or on another organism involving benefit Stomach Ileum; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Large surface area; Good blood and lymph supply; Lining one cell thick; Long; Villi Tongue; Oesophagus; Stomach; Small intestine Breakdown of food Tongue; Oesophagus; Stomach; Small intestine Breakdown of food
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