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

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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

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Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

This bleeding heart plant (the genus Dicentra) is an example of an angiosperm. This bleeding heart plant (the genus Dicentra) is an example of an angiosperm.
Maintenance of normal blood glucose levels. Maintenance of normal blood glucose levels.
Summation of Heart Sounds, Wide Splitting of S2 Summation of Heart Sounds, Wide Splitting of S2
Mononucleosis is caused by the Epstein–Barr virus. Symptoms of the infectious disease are swollen pa Mononucleosis is caused by the Epstein–Barr virus. Symptoms of the infectious disease are swollen pa
Relationship between blood and lymph capillaries. Relationship between blood and lymph capillaries.
Heart drawing by 6 years old Heart drawing by 6 years old
Video: Enzyme-Catalyzed Reactions

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