$A$ thin-elastic cartilaginous flap which prevents the entry of food into the larynx is known as

The common passage for food and air is

Food does not normally enter the trachea because during swallowing of food

Mark the $CORRECT$ statement.

In the human respiratory system,the conducting zone extends from $:-$

Two friends are eating together at a dining table. One of them suddenly starts coughing while swallowing food. This coughing action is likely due to the improper movement of the .......... .