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Author Question: Brazil's system of racial classification is undergoing change moving to a categorical system after ... (Read 92 times) |
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
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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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The human body produces and destroys 15 million blood cells every second.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.