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Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Did you know?
Medication errors are three times higher among children and infants than with adults.
Did you know?
Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.