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Author Question: The z score for the standard normal distribution a. is always equal to zero. b. can never be ... (Read 40 times) |
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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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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There are more sensory neurons in the tongue than in any other part of the body.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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The familiar sounds of your heart are made by the heart's valves as they open and close.