The prevents food or liquids from getting into the lungs.

the Epiglottis prevents food or liquids from entering the lungs.

Explanation:

when you swallow it covers the enterance to the lungs. Hope this helps :)

Epiglottis

Explanation:

During breathing, air travels from your mouth and pharynx into the larynx (toward your lungs). When you swallow, a flap called the epiglottis moves to block the entrance of food particles into your larynx and lungs. That prevents food from entering your lungs.

she forgets to repeat her message as often as necessary