Biology, asked by zenith01, 1 month ago

. When you inhale air
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a)Rib muscles contract and diaphragm moves downwards

b)Rib muscles contract and diaphragm moves upwards

c)Rib muscles relax and diaphragm moves upwards

d)Rib muscles relax and diaphragm moves downwards​

Answers

Answered by sapnamaheshwari1903
0

Explanation:

a)Rib muscles contract and diaphragm moves downwards

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