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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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The horizontal fraction bar was introduced by the Arabs.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
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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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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.