What you meanby double circulation
yaswithapradeepthi99:
the blood travels through heart 2 times called double circulation
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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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When the blood goes through the heart twice during each cycle in other vertebraes. This is known as double circulation.
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