The larynx is part of the respiratory system. It is located in the neck, between the trachea and pharynx. The larynx’s structure is tube-shaped. The length of the larynx is approximately 5 inches long. The vocal cords are located inside the larynx. For this reason, the larynx is sometime known as the voice box.
As part of the respiratory system, the larynx plays several roles. It is involved in the breathing process. Because the larynx houses the vocal cords, it is responsible for sound production and phonation. Additionally, the vocal cords control the pitch and volume of speech. Lastly, the larynx protects the trachea from food aspiration. Food aspiration occurs when an object, such as food, is inhaled into the lungs.
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