W6wRaeedteec W6wRaeedteec

14-04-2017
Biology

contestada

Unlike amphibians, reptiles
a. have lungs to oxygenate blood.
b. have ventricles that are further divided to lessen mixing of oxygen-rich and oxygen-poor blood.
c. have a closed circulation system in which blood circulates entirely within blood vessels.
d. use single-loop circulatory

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jadibug88 jadibug88

27-04-2017

I'm pretty sure the answer is B

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