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When breathing, which body was part contracts to help expand the lung and relaxes to allow air exhalation? A. stomach B. rib cage C. diaphragm D. brain
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When breathing, which body was part contracts to help expand the lung and relaxes to allow air exhalation?

A. stomach
B. rib cage
C. diaphragm
D. brain

When breathing, which body was part contracts to help expand the lung and relaxes-example-1
User ThriceGood
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4 votes

Answer: C: Diaphragm

Step-by-step explanation:

User Sneftel
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C is your answer hope that helps!
User Accatyyc
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