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Author Question: The quick, involuntary jerking of a muscle or group of muscles is known as ____________________. ... (Read 36 times) |
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.