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Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
Cyanide works by making the human body unable to use oxygen.