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Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

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Cyanide works by making the human body unable to use oxygen.

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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

General representation of the autonomic nervous system. General representation of the autonomic nervous system.
Fast axonal transport of vesicles. Fast axonal transport of vesicles.
The urinary system: Anterior view of the urinary organs of a female The urinary system: Anterior view of the urinary organs of a female
Development of the Respiratory System Development of the Respiratory System
Integumentary system & Skeletal system Integumentary system & Skeletal system
The system moves at 1.50 2 m/s while the inclined planes are rough. a) Determine the ... The system moves at 1.50 2 m/s while the inclined planes are rough. a) Determine the ...
Video: Glycolysis - and oxygen

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