The Ultimate General Knowledge Quiz #1 Scroll Down, Choose Your Answers, And See The Results!
How many valves are there in a human’s heart?
One; Two; Three; Four; 4
Keeping the blood flowing in the appropriate direction is the job of the four heart valves, which include the mitral, tricuspid, pulmonary, and aortic valves. The leaflets (flaps) on each valve open and shut with each pulse.
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