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what does A,B and C depict ?...

what does A,B and C depict ?

A

A- Air goes inside to lungs, B-Ribs and sternum return to original position, C-Diaphragm contracted

B

A-Air expelled from lungs, B- Ribs and sternum return to original position, C-Diaphragm relaxed and arched upwards.

C

A-Air expelled from lungs, B-Ribs and sternum goes upward, C-Diaphragm relaxed and arched upwards

D

A- Air goes inside from lungs, B- Ribs sternum goes upward, C-Diaphragm relaxed and arched upwards.

Text Solution

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The correct Answer is:
B
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