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Author Question: What tends to occur to REM periods of sleep as the night goes on? (Read 30 times) |
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).