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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
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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 training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.