A thin-elastic cartilaginous flap which prevents the entry of food into the larynx is known as
Glottis
Wind pipe
Epiglottis
Bronchiole
As we learn
Parts of Human Respiratory System -
Epiglottis
- wherein
Epiglottis is a thin elastic cartilaginous flap that prevents the entry of food into the larynx during swallowing.