Frogs utilize positive pressure breathing, a mechanism where they force air into their lungs by closing their nostrils and elevating the floor of their mouth, effectively pushing air into the lungs rather than drawing it in through negative pressure as seen in mammals.

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Frogs Breathe Using

Question 40

Multiple Choice

Frogs breathe using

A) negative pressure,similar to reptiles and mammals.
B) various absorptive surfaces but with no pneumatic system to ventilate those surfaces.
C) positive pressure breathing during which air is forced into the balloon-like lungs.
D) a bird-like circular air circulation.
E) gill modifications.

Correct Answer: