what is double circulation and why it is necessary?
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double blood circulation is movement of blood twice in our heart during one cardiac cycle or heart beat. it is necessary for purification of blood and for good oxygen supply
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double circulation and type of circulation blood this type of circulation blood flows from the heart 2 times cardiac cycle.
it is necessary for the maximum diffusion of respiratory gases and ensure the high amount of oxygen reaches to the body cells. hope this may help you please mark brainliest answer.
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