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Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

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Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Parts of a muscle. Parts of a muscle.
Injecting the ventrogluteal muscle. Injecting the ventrogluteal muscle.
Centrally Acting Skeletal Muscle Relaxants Centrally Acting Skeletal Muscle Relaxants
Improving your flexibility can help you reduce muscle soreness and lower your risk of injury Improving your flexibility can help you reduce muscle soreness and lower your risk of injury
Testing the strength of the sternocleidomastoid muscle against resistance Testing the strength of the sternocleidomastoid muscle against resistance
Dog Muscle Anatomy Dog Muscle Anatomy
Video: Language Areas Animation

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