One pint of donated blood can save up to 3 lives.
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The blood you donate is sold on the open market and it's a US$4.5 billion per year industry.
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Someone in the U.S. needs blood every two seconds.
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A newborn baby has about one cup of blood in his body.
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It would take 1,200,000 mosquitoes, each sucking once, to completely drain the average human of blood.
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HP Printer black ink is more expensive than blood.
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There are 100,000 miles of blood vessels in an adult human body.
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James Harrison has donated blood over 1,000 times saving over 2 million unborn babies from Rhesus disease.
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Your heart will pump nearly
1.5 million barrels of blood
during your lifetime, enough to
fill 200 train tank cars.
1.5 million barrels of blood
during your lifetime, enough to
fill 200 train tank cars.
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Pregnant women have about 50% more blood by week 20 of pregnancy than they did before they conceived.
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A red blood cell can make a complete circuit of your body in 30 seconds.
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Coconut water can be used (in emergencies) as a substitute for blood plasma.
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Our bodies contain about 0.2 milligrams of gold, most of it in our blood.
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8%
of your body weight is in your blood.
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Mosquitoes prefer blood type "O" to any other.
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The Bororo people of Brazil are one of the few groups of people where all have the same blood type: "O".
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In the 16th and 17th centuries, Europeans including royalty, priests and scientists, routinely ingested remedies containing human bones, blood and fat as medicine for everything from headaches to epilepsy.
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Every year, the average meat-eating American ingests more than enough blood to fill a soda can.
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The weird bright dots you see floating when you look at the sky are your white blood cells.
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Spiders, lobsters and snails have blue blood due to the presence of hemocyanin which contains copper.
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White blood cells make up about 1% of your blood.
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Swedish blood donors first recieve a 'Thank you' text when they initially donate blood, but they also recieve a text whenever their blood is used to help someone.
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A Russian scientist attempted to achieve immortality by transfusing his blood with that of young people. He died after accidentally transfusing his blood with that of a malaria victim.
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The iron in our blood and the calcium in our bones come from ancient explosions of giant stars.
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Sulfhemoglobinemia is a condition
where a person develops green blood.
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