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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?
Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
By definition, when a medication is administered intravenously, its bioavailability is 100%.
Did you know?
Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.