What is the primary function of the epiglottis?

The primary function of the epiglottis is to assist in swallowing. This cartilage flap acts as a gatekeeper for the trachea and esophagus. During swallowing, the epiglottis folds down and covers the opening of the larynx, which prevents food and liquids from entering the airway. This action is crucial in ensuring that food is directed into the esophagus for digestion rather than the respiratory tract, helping to prevent choking and aspiration of food.

While the epiglottis does play a role in protecting the airway, its main function is specifically aligned with facilitating safe swallowing. Understanding the structural role of the epiglottis emphasizes its importance in the respiratory and digestive pathways, ensuring that they function without interference.