Give reason :
a. the glottis is guarded by the epiglottis
Epiglottis is a thin, valve like, flexible cartilaginous tissue that covers the glottis during swallowing in order to prevent the entrance of food and drink into wind pipe.
The epiglottis is part of the _____ and covers the glottis.
Epiglottis guards the opening of
Epiglottis guards the opening of oesophagus