Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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The human body produces and destroys 15 million blood cells every second.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.
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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
Amazing NASA Pictures Collection
Amazing NASA Pictures Collection
Amazing NASA Pictures Collection
Relative Humidity Changes at Constant Water-Vapor Content