Trachea - Transports air into the bronchi from the mouth and nose. , Bronchus/ bronchioles - Transports air from the trachea to the alveoli., Intercostal muscles - Contracts to move the ribcage., Alveoli - Tiny sacs where gas exchange occurs., Diaphragm - Muscle that moves to help air get into and out of the lungs., Ribs - Protects the lungs,

Lungs

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