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Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

The cellular response of skeletal muscle cells to epinephrine The cellular response of skeletal muscle cells to epinephrine
The effects of epinephrine in humans The effects of epinephrine in humans
Synthesis of the amine hormones dopamine, norepinephrine, and epinephrine. Synthesis of the amine hormones dopamine, norepinephrine, and epinephrine.
Cytoplasmic response to a signal: the stimulation of glycogen breakdown by epinephrine. Cytoplasmic response to a signal: the stimulation of glycogen breakdown by epinephrine.
Primary Action of Epinephrine in a Liver Cell Primary Action of Epinephrine in a Liver Cell
Biosynthesis of the catecholamines—dopamine, norepinephrine, and epinephrine Biosynthesis of the catecholamines—dopamine, norepinephrine, and epinephrine
Video: Structures that affect circulation - kidneys and blood volume and skeletal muscle pumping

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