Question

why glottis is covered by epiglottis

Answer 1

this is so as to prevent food from entering the wind pipe

Answer 2

Heya Frnd.........☺

Glottis is the opening of the windpipe.
It is covered with a cartilaginous flap called Epiglottis to prevent food from entering into the food pipe.

If it wasn't there , food would enter the wind pipe resulting in choking, does resulting in death.

________☺☺☺_________

$hope \: it \: will \: help \: u \: ........$