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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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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.