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Author Question: Suppose Martin, a laptop computer salesperson, tells one of his customers that his computers are as ... (Read 91 times) |
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Excessive alcohol use costs the country approximately $235 billion every year.
In 1864, the first barbiturate (barbituric acid) was synthesized.
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.