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Author Question: Which term refers to the visible portion of a hair? A) shaft B) follicle C) lunula D) ... (Read 33 times) |
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.