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Author Question: Which of the following structures help direct blood flow forward and prevent the backflow of blood ... (Read 39 times) |
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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The human body produces and destroys 15 million blood cells every second.
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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.