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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?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
Did you know?
Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.