Buccopharyngeal respiration in frog:

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Question

(D) Buccopharyngeal respiration in frogs involves the rhythmic movement of the floor of the buccal cavity. During this process,the nostrils are kept o

Vedclass · Accepted Answer

Stops when mouth is opened

Vedclass · Answer

(D) Buccopharyngeal respiration in frogs involves the rhythmic movement of the floor of the buccal cavity. During this process,the nostrils are kept open to allow air to enter the buccal cavity,while the glottis remains closed. The mouth must be kept tightly closed to maintain the pressure required for gas exchange across the moist lining of the buccal cavity. If the mouth is opened,the pressure seal is lost,and the process stops. Therefore,option $D$ is the correct answer.

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