Question

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Answer 1

It is so called because -

1) It transfers oxygeneted blood to all parts of the body .

2) It transfers deoxygeneted to the lungs to being oxygenated .

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Answer 2

Answer:

It is called double circulation because the blood passes through heart twice in one complete cycle of the body.

once through right half in form of deoxygenated blood and once through left half in form of oxygenated blood .

Explanation:

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