breathing Flashcards
1
Q
breathing: how
A
when you inhale, air enters your lungs, and oxygen from that air moves to your blood. at the same time, carbon dioxide moves from your blood to the lungs and is exhaled.
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breathing: how
when you inhale, air enters your lungs, and oxygen from that air moves to your blood. at the same time, carbon dioxide moves from your blood to the lungs and is exhaled.