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Author Question: All of the following are primary neurotransmitters involved in the neuroregulation of the GI tract ... (Read 28 times) |
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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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.
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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.