Question

what is epiglothis and what is its roles in respiration​

Answer 1

Answer:

epiglotis is present in trachea

it prevents the food particles from entering into the windpipe while swallowing food.

Explanation:

Answer 2

Hii buddy ...

Epiglottis is just a flap like structure which acts as a barrier ...

Now question arises how it works !!!

Lemme explain ..

It is the one which presents the entry of food in windpipe .. As a person swallow the food automatically the flap closes and presents food from entering in windpipe guiding it's swift moment towards oesophagus!!