Is the thin cover that stops food and liquid from entering the larynx.

epiglottis

smooth muscle

pharynx

anterior

That would be the epiglottis

Depends on which disease, but as a general rule eat healthy. many vegetables.                                                        hope my answer has come to your . you for posting your question here in we hope to answer more of your questions and inquiries soon. have a nice day ahead! : )     (p.s mark as brainliest if )