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Question

__ is the cartilaginous structure which prevents the entry of food into the trachea.

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Solution

The laryngopharynx houses a cartilaginous structure called epiglottis. It blocks food and water from entering the windpipe, and pushes it into the esophagus. The superior portion of the epiglottis can move freely like a trap door, with each swallow the larynx rises and the epiglottis folds down closing off the airway.


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