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Which of the following is correct ? (i...

Which of the following is correct ?
(i)The diaphragm contracts - volume of chest cavity increased
(ii)The diaphragm contracts - volume of chest cavity decreased
(iii)The diaphragm expands - volume of chest cavity Increased
(iv)The diaphragm expands - volume of chest cavity decreased

A

i

B

I and ii

C

ii and iii

D

iv

Text Solution

Verified by Experts

The correct Answer is:
a
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