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How much blood does a person's body contain?

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yelvert | Student, Undergraduate | eNotes Newbie

Posted February 17, 2009 at 4:42 AM via web

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How much blood does a person's body contain?

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enotechris | College Teacher | (Level 2) Senior Educator

Posted February 17, 2009 at 6:44 AM (Answer #1)

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A typical human body contains approximately a gallon and a quarter, or ten pints, or 4.7 liters of blood.

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alpovornado | eNotes Newbie

Posted February 22, 2009 at 12:42 AM (Answer #2)

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it depends on the size of the body - bigger people have more blood.  So the only answer can be proportionate - i.e. X% of the human body is blood. I found a source which says about 7%.

We know that humans are about 70% water, but that fluid is not just blood - every cell is a little liquid pouch.  The amount of fluid in the vascular system is probably around what the prior responders state.

But, for example, a pregnant woman's blood volume increases by a third toward the end of the pregnancy - that's not counting the blood that the fetus itself made.

So the answer is a confident "it depends", but AFAIK, loss of more than three pints is life threatening.

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jbenjamin001 | eNotes Newbie

Posted February 26, 2009 at 2:42 AM (Answer #3)

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jbenjamin001 | eNotes Newbie

Posted February 26, 2009 at 2:46 AM (Answer #4)

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A typical human body contains approximately a gallon and a quarter, or ten pints, or 4.7 liters of blood.

For a person weighing approximately 150 pounds, the blood volume is on average about 5 liters or 8.8 pints. If the person is larger or smaller, the blood volume would change accordingly. One liter of volume equals 1.76 pints.I hope this addresses your question.

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webz0827 | Student, Undergraduate | eNotes Newbie

Posted May 30, 2011 at 11:01 AM (Answer #5)

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It all depends on how much you weigh. If you were 154 pounds per say you would have about 5.5 quarts of blood. So you can't just ask a dumb question and expect a good answer. (Even though this answers your question in way).

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Jyotsana | Student, Grade 10 | Valedictorian

Posted February 23, 2014 at 12:12 AM (Answer #7)

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A person body contain 5.5liters of blood.

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robertwilliam | College Teacher | (Level 2) Senior Educator

Posted February 17, 2009 at 6:50 AM (Answer #6)

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Consensus on the internet is that an average adult male has about 5.6 litres of blood in their body (one litre is a large-size Coke bottle).

See the links below for more info.

Hope it helps!

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