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Author Question: The respiratory system obtains oxygen and removes carbon dioxide from the body. Indicate whether ... (Read 61 times) |
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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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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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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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.