How many seconds does it take for the blood to make one complete circuit of the human body?
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Published in Science Trivia
60 Sec
45 Sec
30 Sec
90 Sec
60 Sec.
A healthy human heart beats 115,200 times in a 24-hour period.
Published in Science Trivia
60 Sec
45 Sec
30 Sec
90 Sec
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