Question

what fo you mean by double circulation?​

Answer 1

Explanation:

In the human heart blood passes through the heart twice in one cardiac cycle. This type of circulation is called diuble circulation. Double circulation ensures complete segregation of oxygenated and deoxygenated blood,which is necessary for optimum energy production in warm blooded animals

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Answer 2

Answer:

double circulation takes place in organisms which need to maintain thier body temperature ie. mammals and aves (birds).

In this process the blood passes through heart twice once in the form of oxygenated blood from lungs to the complete body via heart and in the second time the deoxygenated blood goes to the heart from the complete body to the lungs via heart.