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On average, the stomach produces 2 L of hydrochloric acid per day.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
The horizontal fraction bar was introduced by the Arabs.
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
There are 60,000 miles of blood vessels in every adult human.
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