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Author Question: Once the threat of invasion is over, the ________ are responsible for "turning-off" the response. (Read 27 times) |
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.