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Author Question: The heart's top and bottom chambers are separated by valves that prevent backflow of blood. (Read 41 times) |
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The FDA recognizes 118 routes of administration.
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There are 20 feet of blood vessels in each square inch of human skin.
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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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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.