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7. When you breathe in, or inhale, the diaphragm muscle _____. When you breathe out, or exhale, the diaphragm muscle ______.
A. deflates; inflates C. relaxes; contracts B. inflates; deflates D. contracts; relaxes ​

Sagot :

IRENE22DOLORESGO

Answer:

7 When you breath in,or inhale, the diaphragm muscle contracts.When you breath out, or exhale the diaphragm muscle relaxes

Explanation:

so the answer is D.