Biology, asked by balrajwaraich1980, 10 months ago

how long does it take blood to circulate in the entire body before returning to the heart​

Answers

Answered by sireeshapaleti85
1

Answer: On average, it takes about 45 seconds for blood to circulate from the heart, all around the body, and back to the heart again. An average adult's heart beats more than 100,000 times a day.

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