bi2ggierSw3anti bi2ggierSw3anti

03-03-2017
Biology

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Why do you need two different circuits of blood vessels in your body?

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jordyng19 jordyng19

03-03-2017

Arterial system to carry blood away from the heart

Venous system to carry blood toward the heart

It is all about gas exchange. Removing CO2 and replacing with O2 in order to provide the needed oxygen to the tissues of the body.

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