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Assertion : Inspiration occurs due to mu...

Assertion : Inspiration occurs due to muscular relaxation.
Reason : During inspiration, the diaphragm and external intercostal muscle contract simultaneously.

A

Both Assertion and Reason are true and Reason is the correct explanation of Assertion

B

Both Asssertion and Reason are true, but Reason is not the correct explanation of Assertion

C

Assertion is true, but Reason is true

D

both Assertion and Reason are flase.

Text Solution

Verified by Experts

The correct Answer is:
D
Inspiration is an active process, which results due to muscular contraction. During inspiration, the diaphragm and external muscle contract simultaneously. This moves the lateral thoracic walls outward and upward.
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ARIHANT NEET-BREATHING AND EXCHANGE OF GASES -Chapter exercises B (Medical entrances special format questions )
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