What is the function of the epiglottis?

The epiglottis plays a crucial role in the respiratory and digestive systems by preventing food and liquids from entering the trachea during the act of swallowing. When a person swallows, the epiglottis folds down over the larynx (voice box) and the entrance to the trachea. This protective mechanism ensures that food is directed into the esophagus and not into the airway, which could cause choking or aspiration.

Understanding the function of the epiglottis is important in highlighting its protective role, especially during eating and drinking. It helps maintain the separation between the digestive and respiratory tracts, ensuring that air travels to the lungs while food is directed toward the stomach. This function is essential for safe swallowing and proper respiratory health.