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Author Question: A(n) __________ is a large niche or niche-like space projecting from and expanding the interior ... (Read 70 times) |
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
There are 60,000 miles of blood vessels in every adult human.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).