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Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
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.