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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
Everyone has one nostril that is larger than the other.

