what do you mean my double circulation of blood
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The majority of mammals (including humans) utilize a double circulatory system. This means we have two loops in our body in which blood circulates. One is oxygenated, meaning oxygen rich, and the other is deoxygenated, which means it has little to no oxygen, but a lot of carbon dioxide.
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Double circuit circulation means flowing of blood through heart twice. in fishes and some other animals the blood enters heart only once The right side of the heart receives and pumps deoxygenated blood and left side of the heart receives and pumps oxygenated blood. This circulation is called double circulation.
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