26. What prevents food from entering the windpipe? A.Epiglottis B.Pharynx C.Trachea D.Larynx
Answer: Option A Solution: In the second stage of swallowing, an important small flap of tissue called the epiglottis, folds over the voice box (larynx) at the entrance to the windpipe (trachea), preventing food from going down the wrong way.
