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Author Question: Cocaine is most commonly used to __________. A) heighten sexual desire B) anesthetize patients ... (Read 22 times) |
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
The horizontal fraction bar was introduced by the Arabs.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.