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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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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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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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The average office desk has 400 times more bacteria on it than a toilet.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
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