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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
Did you know?
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
Did you know?
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Did you know?
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.