More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
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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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Vaccines prevent between 2.5 and 4 million deaths every year.
Parts of a muscle
Muscle Excitation
Thyrohyoid muscle
The muscle segment, muscle segment with sarcomere, and relaxed and contracted sarcomeres.