Describe double circulation in huma n …
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Sia ? 6 years, 1 month ago
Double circulation: In human beings heart is four-chambered, having right and left auricles and right and left ventricles. The right auricle receives the deoxygenated blood from the body and sends it into the right ventricle that pumps it to the lungs via a pulmonary arch for oxygenation. The left auricle receives oxygenated blood from the lungs and sends it into the left ventricle, which pumps it to the body through a single aortic arch. Thus, the deoxygenated and oxygenated blood remain fully separate, and there is a complete double circulation.

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