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Author Question: The heart has how many chambers that work together to pump blood throughout the body? A) 2 B) 3 ... (Read 58 times) |
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There are more sensory neurons in the tongue than in any other part of the body.
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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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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.
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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).