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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
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Cyanide works by making the human body unable to use oxygen.
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Asthma cases in Americans are about 75% higher today than they were in 1980.