During inspiration occurs – (a) Contraction of diaphragm and extern – InterviewSolution

1.	During inspiration occurs – (a) Contraction of diaphragm and external intercostal muscles. (b) Relaxation of diaphragm and external intercostal muscles. (c) Contraction of the only diaphragm. (d) Relaxation of only external intercostal muscles
Answer» The answer is (a) Contraction of diaphragm and external intercostal muscles.

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