Biology, asked by egglu, 1 year ago

describe double circulation in human beings. why is it necessary?

Answers

Answered by ANJANISUNDRAM
5
when blood goes twice to heart in a complete revolution of body it is called double circulation system
egglu: i wanted it in brief. well thx!
ANJANISUNDRAM: Ok
Answered by u35changmai
0

Answer:

Do Hghh

Explanation:

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