The structure that covers the opening to the trachea during swallowing,thereby preventing food from entering the air passageway,is the

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The epiglottis is a flap of cartilage that covers the opening to the trachea during swallowing, preventing food and liquid from entering the airway. It acts as a protective mechanism to ensure proper passage of food to the digestive system and air to the lungs. Options B, C, D, and E are not involved in the swallowing process or preventing aspiration.

The Structure That Covers the Opening to the Trachea During