The Functions

Function 1: Take in fresh air - When you inhale, your diaphragm tightens and moves downward. . The muscles between your ribs help enlarge the chest. The air is sent to your lungs but before that it is filtered

Function 2: Get rid of stale air - The stale air which is old air is sent out through your bronchial tubes out your nose in exhaling

Function 3: Talking - When you talk air is sent up trachea to your vocal cords and it helps you talk