Biology, asked by shreyash12345678, 1 year ago

why is blood circulation in human heart called double circulation ?

Answers

Answered by BhurneeshaDevi

because it enters the heart two times

Answered by abhiram1234

The blood, primarily passes through the heart to lungs to get oxygenated. then it returns to heart and passing to the whole body . That is blood passes the heart twice. hence it is double circulation

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