emmacampbell3410 emmacampbell3410

03-06-2018
Biology

contestada

In the pulmonary circuit, the heart's half pumps blood to the lungs, then blood flows back to the heart.

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jennymitcj jennymitcj

09-06-2018

The heart has two chambers the ventricles half pumps blood to the lungs then Oxygen poor blood flows back to the heart.

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