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There are 20 feet of blood vessels in each square inch of human skin.

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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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Illicit drug use costs the United States approximately $181 billion every year.

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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Independent assortment of chromosomes at meiosis explains Mendel’s ratio Independent assortment of chromosomes at meiosis explains Mendel’s ratio
The oxygen isotope curve illustrates the ratio between 16O and 18O. The oxygen isotope curve illustrates the ratio between 16O and 18O.
This military command post is in South Korea, with both U.S. and South Korean personnel. South Korea ... This military command post is in South Korea, with both U.S. and South Korean personnel. South Korea ...
Compression ratio is the ratio of the total cylinder volume (when the piston is at the bottom of ... Compression ratio is the ratio of the total cylinder volume (when the piston is at the bottom of ...
Private practice setting. Private practice setting.
Finding the angle from a ratio Finding the angle from a ratio
Video: Component of feedback systems & Communication and regulation of body systems

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