Organs of Speech and Their Functions

The organs of speech encompass the respiratory, phonatory, and articulatory systems, each playing a crucial role in producing speech sounds. The respiratory system provides the airstream necessary for speech production, the phonatory system involves the larynx and vocal cords in sound generation, and the articulatory system shapes the airstream into distinct sounds through the pharynx, lips, teeth, palate, uvula, and tongue.

• Speech Organs
• Respiratory System
• Phonatory System
• Articulatory System

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Uploaded on Mar 04, 2025 | 0 Views

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1. Dr. Kare Chandrasen D. Asst. Professor Dept. of English S. C S College, Omerga

2. Definition: The organs of the human body which produce speech sounds are together called organs of speech. Speech, according to one view, is only the secondary function of these organs, their primary functions being breathing, chewing, eating, smelling, tasting and so on.

3. Three Systems of Organs of Speech: A)The Respiratory System B)The Phonatory System C)The Articulatory System

4. The Respiratory System It includes the lungs, the muscles of the chest and the windpipe. Process: In this system, through the process of breathing, the system provides an airstream that acts as a source of energy. Without an airstream, no amount of activity on the part of the speech organs can produce a sound. It is the airstream initiated by the air exhaled from the lungs that is chiefly used for speech production. This airstream mechanism is called pulmonic egressive airstream mechanism.

5. The Phonatory System The air released by the lungs undergoes several modifications before it goes out into the atmosphere. The Larynx: In the upper part of the trachea is a structure called the larynx. Its primary function is to act as a valve. Vocal Cords: Two folds of tissue located in the larynx that vibrate when air passes over them, producing the sound waves associated with talking and singing.

6. The Articulatory System After passing through the larynx, the airstream is further modified by the various shapes assumed by the organs of speech lying above the larynx. The Pharynx The Lips The Teeth The Teeth Ridge The Hard Palate The Soft Palate The Uvula The Tongue

7. Thank You