Biology, asked by luckkey908, 9 months ago

What is double circulation
Why is necessary

Answers

Answered by muskanfor11
1

Explanation:

The blood travels twice through the heart in one complete cardiac cycle is called double circulation. It is necessary because oxygenated blood and deoxygenated blood remain completely isolated

Answered by justusandere
1

Answer:In double circulation, blood passes through the heart twice in one cardiac cycle.

Double circulation ensures complete segregation of oxygenated and deoxygenate  blood which is necessary for optimum energy production in human beings.

Explanation:

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