Biology, asked by kitkat58, 1 year ago

why blood circulation is called double in higher animals​

Answers

Answered by darshan6434
2

because it bloods flows twice to the heart to complete one circulation

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Answered by Anonymous
3
Hey mate!

Here is yr answer...


Blood circulation in Higher Animals is called Double circulation...Because, the blood reaches the heart two times...or The blood travels through the heart for two times!


Hope it helps..
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