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Author Question: Sally and Beth are playing together, both taking toys from the same toy box. Sometimes they hand ... (Read 26 times) |
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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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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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).