madone9023 madone9023
  • 02-07-2018
  • Biology
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Why is circulation in humans called closed double circulation?

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rasel0240pb7obc
rasel0240pb7obc rasel0240pb7obc
  • 02-07-2018
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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