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BrainPOP: Respiratory System Flashcards | StudBud
BrainPOP: Respiratory System
1 / 10
What happens when your diaphragm
relaxes
and moves
upward
?
A
Your bloodstream transfers carbon dioxide to your alveoli
B
Your alveoli transfer oxygen to your bloodstream
C
Your lungs deflate and you breathe out
D
Your lungs inflate and you breathe in
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