what is double circulation
Answers
Answer:
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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Explanation:
During a single cycle blood goes twice in the heart which is known as double circulation. It is necessary in human being to separate oxygenated and de-oxygenated blood because this makes their circulatory system is more efficient and helps in maintaining constant body temperature.
It is called so because the blood circulation in humans involves two different pathways or cycles of blood circulation, making it a double circulation. They are: Pulmonary circulation: Circulation of blood between the heart and the lungs. During this cycle, the deoxygenated blood from the heart enters the lungs for oxygenation.