When you ____, air moves into the body through the nose and mouth and travels down the ____ to the ____. When you ____, the ____ moves ____ and the ____ move up and ____ allowing the lungs to fill with air. The air enters the lungs and passes through the ____ to the ____. ____ passes into the blood through the ____ ____ moves from the ____ into the ____. It then passses through the ____, the ____ and the ____ and then exhaled. When you ____, the ____ moves ____ and the ribs move ____ and down, expelling the air out of the lungs.

Inhaling and Exhaling

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