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 human body produces and destroys 15 million blood cells every second.
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Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Evolution of the gibberellin-DELLA system.
Urinary System
external structure of female reproductive system
Lymphatic system.
The Major Divisions of the Peripheral Nervous System