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Author Question: Sleep researchers have identified ________ levels or stages of non-REM sleep. (Read 54 times) |
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.