28th November 2019

wikipedia
15

What protects the trachea from food?

The cartilaginous rings are incomplete to allow the trachea to collapse slightly so that food can pass down the esophagus. A flap-like epiglottis closes the opening to the larynx during swallowing to prevent swallowed matter from entering the trachea.

Also, what is the name of the structure that prevents food from entering the trachea?

When you swallow, the epiglottis flattens backward to cover the entrance to your larynx and prevent food from entering the lungs and windpipe. The epiglottis returns to its usual position after swallowing.

What structure helps to prevent food from entering the sinus cavity?

The valves created by the false and true vocal folds and the epiglottis prevent food from entering the airway during swallowing. The feeding and respiratory systems share a portion of the pharynx between the area behind the tongue and the area at the entrance to the larynx and the entrance to the esophagus.

What prevents food from entering the nasopharynx?

Pharynx. Food is forced into the pharynx by the tongue. The uvula is elevated to prevent food from entering the nasopharynx. The epiglottis drops downward to prevent food from entering the larynx and trachea in order to direct the food into the esophagus.
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