The heart valves are what keep blood moving through the heart in the right direction. This page gives you everything you need to master the anatomy and function of the heart’s four valves: the tricuspid and mitral valves (which prevent backflow from the ventricle into the atria), and the pulmonary and aortic semilunar valves (which prevent backflow from the aorta and pulmonary trunk into the ventricles). Use the practice activities below to learn, test yourself, and make it stick.
Flashcards
Use these flashcards to learn or review what you need to know about the valves that control blood flow through the heart.
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Multiple Choice
Test your knowledge of key concepts with this multiple choice quiz.
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Click-on Challenges
Master the the structure and function of the heart’s valves with these diagram-based questions.
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Free Response Questions
Use these free response questions to test your ability to explain key concepts related to the heart’s valves.
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What’s Next?
Continue to Congenital Heart Defects and Heart Disease
Attribution: Portions of the content on this page were adapted from Anatomy and Physiology by OpenStax, used under CC BY 4.0.