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Did you know?
Everyone has one nostril that is larger than the other.
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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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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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On average, the stomach produces 2 L of hydrochloric acid per day.