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Author Question: Contrast directional and stabilizing forms of selection. (Read 317 times) |
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.