Blood Facts
Two million red blood cells die every second. |
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There are approximately 100,000 miles of blood vessels in the human body. |
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Seven percent of a humans body weight is made up of blood. |
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In the early nineteenth century some advertisements claimed that riding the carousel was good for the circulation of blood. |
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Each day 400 gallons of recycled blood are pumped through the kidneys. |
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By donating just one pint of blood, four lives can be saved. |
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Blood is such a good stain that Native Americans used it for paint. |
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The kidneys filter over 400 gallons of blood each day. |
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The average life span of a single red blood cell is 120 days. |
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Blood accounts for about 8% of a human's body weight. |
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A woman has approximately 4.5 liters of blood in her body, while men have 5.6 liters. |
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Your blood takes a very long trip through your body. If you could stretch out all of a human's blood vessels, they would be about 60,000 miles long. That's enough to go around the world twice. |
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Half your body’s red blood cells are replaced every seven days. |
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If all the blood vessels in your body were laid end to end, they would reach about 60,000 miles. |
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