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Author Question: ____________ are white blood cells that intercept and destroy disease-causing agents. a. ... (Read 56 times) |
Did you know?
There are more bacteria in your mouth than there are people in the world.
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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
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Everyone has one nostril that is larger than the other.
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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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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.