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Fun Facts about blood

32,000 pints of blood are used every day in the US.
Every 3 seconds, someone is need of blood.
1 in 10 people admitted to a hospital need blood.
1 pint of blood can save as many as three lives.
An adult has 10 points of blood in his or her body.
A newborn baby has 1 cup of blood in his or her body.
Three gallons of blood supports the whole country for one minute.
Since a pint is a pound, you lose a pound everytime you donate blood.
HP printer black ink is more expensive than blood.
A man named James Harrison has donated blood over 1,000 times, saving over 2 million unborn babies from rhesus disease.
Your heart will pump over 1.5 million barrels of blood during your life, which is enough to fill 200 train tank cars.
The first successful blood transfusions took place between dogs in the 1660s.
All blood isn't red. Crabs have blue blood, earthworms and leeches have green blood and some invergebrates like starfish have clear or yellowish blood.
There are 150 billion red blood cells in one ounce of blood.
There are 60,000 miles of blood vessels in the human body.
There are 2.4 trillion red blood cells in one pint of blood.
The human body makes 17 million red blood cells per second.
It takes 20-60 seconds for a drop of blood to go from the heart, through the body and back to the heart again.
Cows have over 800 different blood types.

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