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Did you know?
The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.