Which of the following activity does not take place during pulmonary r – InterviewSolution

InterviewSolution

1.	Which of the following activity does not take place during pulmonary respirationA. Movement of buccal cavityB. Contraction and relaxation of sternohyal and pterohyal musclesC. Successive opening and closing of mouth and external nostrilsD. All the above
Answer» Correct Answer - 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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