1.
Inside of the nose where air is warmed, filtered, and humidified before it goes deeper into the airway.
2.
The mouth; a second entry for air to reach the airway and lungs.
3.
The throat; passageway behind the nose and mouth that leads to the larynx and esophagus.
4.
Upper part of the throat behind the nose where air passes after entering the nostrils.
5.
Middle part of the throat behind the mouth where air passes after entering the mouth.
6.
Lower part of the throat just above the larynx where air is directed into the airway.
7.
A small, movable flap that covers the airway when you swallow so food and liquid do not enter the trachea.
