Question

What is the epiglottis?
A) a muscle that moves the esophagus into line with the pharynx during swallowing
B) a muscle that moves the trachea out of line with the pharynx during swallowing
C) a flap that flips down to cover the entry to the trachea during swallowing
D) a muscular sphincter that closes off the entry to the trachea during swallowing

Answer

This answer is hidden. It contains 1 characters.