7
J. Multiple Choice Questions.
1. During inhalation
(a) Diaphragm relaxes and rib muscles
contract
(b) Diaphragm contracts and rib muscles
relax
(c) Both diaphragm and rib muscles
relax
(d) Both diaphragm and rib muscles
contract
Answers
Answered by
3
Answer:
d) Both diaphragm and rib muscles contract
Answered by
0
Answer:
diaphram contracts and rib muscles relax
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