Question

mention the role of epiglottis

Answer 1

basically, epiglottis epiglottis is a flap made of elastic cartilage covered with a mucous membrane, attached to the entrance of the larynx.
and it's work is to protect obliquely upwards behind the tongue and the hyoid bone, pointing dorsally. It stands open during breathing, allowing air into the larynx........

Answer 2

the epiglottis is a leaf shapped flap of cartilage located behind the tongur the main function os to seal off the windpipe during eating,so that food is not accidentally inhated