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Author Question: Where does the first step in the digestive process take place? A)the stomach B)the mouth C)the ... (Read 18 times) |
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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The average office desk has 400 times more bacteria on it than a toilet.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.