How long is your circulatory system?
Published in Daily Trivia
If laid out in a straight line, the average adult's circulatory system would be nearly 60,000 miles long - enough to circle the Earth 2 and a half times.
Published in Daily Trivia
If laid out in a straight line, the average adult's circulatory system would be nearly 60,000 miles long - enough to circle the Earth 2 and a half times.
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