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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Approximately 25% of all reported medication errors result from some kind of name confusion.
Did you know?
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.