what is double circulation
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In double circulation, blood passes through the heart twice so as to supply oxygen once, this is known as 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.
Brainliest please !
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