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4 votes
Exhalation occurs when the _____ relaxes, causing the lungs to contract.

User Sonali Das
by
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2 Answers

5 votes

Answer:

diaphragm

Step-by-step explanation:

User Tony Kiernan
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8.9k points
3 votes
Exhalation occurs when the diaphragm relaxes, causing the lungs to contract.
User Crazyman
by
8.4k points
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