Multiple choice

Which statement is true about buccopharyngeal respiration in frogs?

  1. It is increased when nostrils are closed.

  2. It stops when there is pulmonary respiration.

  3. It is increased when it is catching fly.

  4. It stops when the mouth is opened.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Buccopharyngeal respiration occurs through the mouth, but when pulmonary respiration, i.e. respiration through lungs occurs, buccopharyngeal respiration stops as buccopharyngeal respiration alone fulfills all the needs of energy.

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