Our Skeletal System Glossary - Backbone, Femur, Joints, and Functions
Discover key terms related to the skeletal system such as femur, ball and socket joint, vertebrae, and more. Learn about bone functions, protection, and movement capabilities crucial for our body's structure and support.
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Presentation Transcript
Ch-1 Our Skeletal System Glossary Answer the following: Q1. What would have happened had our backbone been made up of fixed long bones without any linkage in between? Answer: If our backbone was made of one long bone ,we would not be able to bend ,twist or turn. Q2.Write short note on femur. Answer: The femur or thigh bone are present in upper legs .They bear the entire weight of our body .They are also the longest bone of our body .The femur fits into the hip girdle at the top and is connected to lower leg at the knee.
3. Write short note on ball and socket joint. Answer: The place where a ball shaped end of a bone fits into a hollow cup or socket of another bone is called ball and socket joint .The bones connected to the ball and socket joint can move in many directions. 4. What problems would you face if your neck had a hinge joint? Answer: If the neck ,had a hinge joint ,we would not be able to move our neck in multiple directions such as forward ,backward and sideways. We would only have been able to move in back and forth.
Extra question and answer Fill in the blanks: 1. Femur bear the weight of our entire body. 2. Ball and socket joint help bones move in multiple directions. 3. There are 22 bones are there in the skull. 4. Ribcage protects the heart and lungs. 5. Pivot joint is present in our neck.
Answer the following 1. Which part of skeletal system protects the urinary bladder? Answer: The hip girdle protects the urinary bladder. 2. What kind of bones makes up a skull? Answer: Cranial bones and facial bones make up a skull. 3. Name two long bones present in the forearm. Answer: Radius and ulna are two long bones present in the forearm. 4. Name the component which is made up of 33 small bones .What does it protect? Answer: The vertebral column is made up of 33 bones .It protects our spinal cord.
5. Where are blood cells produced? Answer : Bone marrow 6. What is humerus? Answer: The humerus is the one long bone in the upper arm of our body. 7. What is the function of Vertebral column? Answer: The vertebral column forms the main axis of our skeleton .It is made up of 33 small and irregular shaped bones called the vertebrae. The vertebrae allows us to bend ,twist and stand. It protect the important blood vessels and our delicate spinal cord.
