Which of the following prevents food from entering the airway during swallowing?

A) Alveoli
B) Pleura
C) Glottis
D) Epiglottis
E) Pharynx

Epiglottis

A leaf-shaped flap of cartilage located behind the tongue, at the top of the larynx, which prevents food and drink from entering the windpipe during swallowing.

Glottis

The opening between the vocal cords.

Pleura

The thin membrane that covers the lungs and lines the chest cavity, facilitating smooth respiratory movements.