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A 30-year-old male weighing 180 lbs - how long does it take for blood to go all the way around the body?
Mark, Marble Arch
** Definitive **
Name: Andy, Hackney
Qualification: I asked the surgeon as he was putting the stents in my heart when I had a heart attack.
Answer: Blood travels at three feet per second when it leaves the heart, but it slows down as it gets into smaller arteries and capillaries. It takes a minute to get around the body.
Name: Vanessa, Ashstead
Qualification: Read it in the Reader's Digest Book of the Human Body
Answer: Five quarts of blood per minute are transported around the body.
(James O'Brien: You might be right, but I need a speed in mph.)
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