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why is the blood circulation in human heart called double circulation |
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Answer» Because in human body blood passes through the whole body twice, one time from the lungs to heart and other from heart to lungs The blood circulation in human heart is called double circulation because the blood passes through the heart twice in one complete cycle of the body – once through the right half in the form of deoxygenated blood and once through the left half in the form of oxygenated blood. |
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