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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.