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Blood facts
15 Facts about Blood


Autoslide every
One pint of donated blood can save up to 3 lives.
The blood you donate is sold on the open market and it's a US$4.5 billion per year industry.
Someone needs blood every two seconds.
A newborn baby has about one cup of blood in his body.
It would take 1,200,000 mosquitoes, each sucking once, to completely drain the average human of blood.
HP Printer black ink is more expensive than blood.
Only female
mosquitoes
drink blood.
Males are vegetarians.
There are 100,000 miles of blood vessels in an adult human body.
James Harrison has donated blood over 1,000 times saving over 2 million unborn babies from Rhesus disease.
Your heart will pump nearly
1.5 million barrels of blood
during your lifetime, enough to
fill 200 train tank cars.
Pregnant women have about 50% more blood by week 20 of pregnancy than they did before they conceived.
A red blood cell can make a complete circuit of your body in 30 seconds.
Coconut water can be used (in emergencies) as a substitute for blood plasma.
Our bodies contain about 0.2 milligrams of gold, most of it in our blood.
8%
of your body weight is in your blood.
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