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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
Did you know?
Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
Did you know?
Women are 50% to 75% more likely than men to experience an adverse drug reaction.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.