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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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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.