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On average, the stomach produces 2 L of hydrochloric acid per day.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
Cyanide works by making the human body unable to use oxygen.
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