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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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
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There are more sensory neurons in the tongue than in any other part of the body.
Eye Color Is a Sex-Linked Trait in Drosophila (Part 3)
World map of the distribution of skin color.
Find derivative by using definition of the derivative question 2