Need help with two questions: Amphibians

What is the function of the 3 chambered heart of an amphibian?
A. to supply needed oxygen for making energy
B. To supply needed carbon dioxide for the amphibian's cells
C. To pump carbon-dioxide rich blood throughout the amphibians body
D. to separate the oxygen poor and oxygen rich blood in the ventricles of the heart

Question

Need help with two questions: Amphibians


What is the function of the 3 chambered heart of an amphibian?
A. to supply needed oxygen for making energy
B. To supply needed carbon dioxide for the amphibian's cells
C. To pump carbon-dioxide rich blood throughout the amphibians body
D. to separate the oxygen poor and oxygen rich blood in the ventricles of the heart

anonymous · Answer

Amphibians are ectotherms. This mean..
A. they cannot internally control their body temperature
B. they are heterotrophic
C. they dependent on a water habitat
D. they are able to contorl their body temperature

anonymous · Answer

Both are A. I suggest you read up on those terms to fully understand what's going on.