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Author Question: Animals whose ancestors are of only one breed are considered ____________________. Fill in the ... (Read 45 times) |
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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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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Asthma cases in Americans are about 75% higher today than they were in 1980.