Respiratory System

Enables entry of air from the outside environment

Increases movement of air in nasal cavity

Entraps particles from inhaled air

Warms and moistens air entering from the outside environment

Serves as passageway for air and food

Serves as a point of exchange of oxygen and carbon dioxide within the capillaries

Prevents friction between membranes covering the lungs

Provides passage for air from the trachea to the lungs

Contains vocal cords

Expands and relaxes to change of pressure in chest cavity

The amount of air that moves in and out of the lungs with each breath

The exchange of oxygen and carbon dioxide between the lungs, body, and outside environment

Abnormally rapid/shallow rate of breathing