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There are 60,000 miles of blood vessels in every adult human.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
On average, the stomach produces 2 L of hydrochloric acid per day.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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