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How does the movement of muscles attached to the ribcage and diaphragm initiate expiration? (3 points)

How does the movement of muscles attached to the ribcage and diaphragm initiate expiration? (3 points)
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How does the movement of muscles attached to the ribcage and diaphragm initiate

expiration? (3 points)

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User Johnildergleidisson
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1 Answer

3 votes
The muscles relax, which pulls the rib age downward and decreases the volume of the chest cavity.
answered
User Javier Vieira
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