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Which of the following activity does not...

Which of the following activity does not take place during pulmonary respiration

A

Movement of buccal cavity

B

Contraction and relaxation of sternohyal and pterohyal muscles

C

Successive opening and closing of mouth and external nostrils

D

All the above

Text Solution

Verified by Experts

The correct Answer is:
c
During pulmonary respiration mouth remains closed all the time whereas nostrills are opened only when air is taken in or passed out i.e during first stroke of inspiration and second stroke of expiration respectively.
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