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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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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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The average office desk has 400 times more bacteria on it than a toilet.
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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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The human body produces and destroys 15 million blood cells every second.