During swallowing, the entry of food into the glottis is prevented by A. Frenulum B. Epiglottis C. A cartilaginous flap D. Both b & c
Option D. While swallowing, the epiglottis flattens backward to cover the entrance to the larynx and prevent food from entering the lungs and windpipe. The epiglottis returns to its usual position after swallowing
