Sound is produced as air is forced through the glottis, causing vibration of the true vocal cords.
- A valve that regulates airflow into and out of the respiratory tubes is called the glottis, which is a slit-like aperture on the floor of the throat. A box-shaped larynx is directly accessible from the glottis.
- Swallowing, breathing, and voice production all include the larynx.
- When air flows through the vocal cords, it causes them to vibrate, which in turn generates sound waves in the pharynx, nose, and mouth. The degree of stress on the vocal folds affects the pitch of the sound.
- When air flows through the vocal cords, it causes them to vibrate, which in turn generates sound waves in the pharynx, nose, and mouth.
- The degree of stress on the vocal folds affects the pitch of the sound.
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