Nose - Air is inhaled here. It is warmed, moistened and purified (by mucous and cilia), Epiglottis - Prevents food entering the trachea, Larynx - Also called the voice box, it produces sound, Bronchus - Carries air from the trachea to the lungs, Bronchioles - Carry air to and from alveoli, Alveoli - This is where gas exchange occurs, Diaphragm - Thin sheet of muscle that causes air to move in or out of lungs,

Respiratory System Functions

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