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Author Question: Gene flow between populations works to prevent speciation. Indicate whether the statement is true ... (Read 151 times) |
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
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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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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.