The human body produces and destroys 15 million blood cells every second.
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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
An exotic fox in Mornington Peninsula National Park with Mange.