Biology, 29.09.2019 04:30 9tpompey

Unlike amphibians, reptiles

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

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Unlike amphibians, reptiles

a. have lungs to oxygenate blood. b. use single-loop circul...

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