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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

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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).

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The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

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Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Some playgrounds near streets with heavy traffic may still have high levels of lead from gasoline ... Some playgrounds near streets with heavy traffic may still have high levels of lead from gasoline ...
Anxiety rises as needs are not met. Without resolution, anxiety may lead to frustration, and then, ... Anxiety rises as needs are not met. Without resolution, anxiety may lead to frustration, and then, ...
The coagulation cascade. Both the intrinsic pathway and extrinsic pathway lead to a common pathway ... The coagulation cascade. Both the intrinsic pathway and extrinsic pathway lead to a common pathway ...
Some of the pathways of the auditory system that lead from one ear to the cortex. Some of the pathways of the auditory system that lead from one ear to the cortex.
Actions of glucagon in liver that lead to a rise in blood glucose Actions of glucagon in liver that lead to a rise in blood glucose
An archaeological sample contains 0.700 g of lead-206 and 2.144 g of uranium-238. Assume that ... An archaeological sample contains 0.700 g of lead-206 and 2.144 g of uranium-238. Assume that ...
Video: Diversity of Living Creatures - Charles Darwin & the Beagle's Voyage

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