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Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Difference between Asian (left) and African (right) elephant ears. Difference between Asian (left) and African (right) elephant ears.
Clockwise from above left: Green turtle (Chelonia mydas), Tuatara (Sphenodon punctatus), Nile Crocod Clockwise from above left: Green turtle (Chelonia mydas), Tuatara (Sphenodon punctatus), Nile Crocod
The original Magdeburg hemispheres (lower left) used to demonstrate Otto von Guericke's vacuum The original Magdeburg hemispheres (lower left) used to demonstrate Otto von Guericke's vacuum
Indirect Fist Percussion of Left Kidney Indirect Fist Percussion of Left Kidney
Left sided heart failure Left sided heart failure
Actions of glucagon in liver that lead to a rise in blood glucose Actions of glucagon in liver that lead to a rise in blood glucose
Video: Acid-base imbalances - respiratory acidosis and alkalosis

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