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Author Question: Urban areas have a population density of at least __________ people per square mile. a. 250 b. ... (Read 65 times) |
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Cyanide works by making the human body unable to use oxygen.
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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.