what does the term double circulation means
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The circulation system in which the blood travels twice from the hear that is once from the lungs to heart and heart to the body is known as double circulation.
Dhruv99999:
ok but not perfect biology language
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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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