Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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The average office desk has 400 times more bacteria on it than a toilet.
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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
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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.
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The human body produces and destroys 15 million blood cells every second.
Important Trace Elements in the Body
Elements Found in Organisms
A helical array of and tubulin forms a microtubule
Using trace elements in carbonate shells to estimate temperature