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How do heart valve works?

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The heart valves work the same way as one-way valves in the plumbing of your home. They prevent blood from flowing in the wrong direction.

Each valve has a set of flaps, called leaflets or cusps. The mitral valve has two leaflets; the others have three. The leaflets are attached to and supported by a ring of tough, fibrous tissue called the annulus. The annulus helps to maintain the proper shape of the valve.

From: How the Heart Works WebMD Medical Reference

SOURCE:

American Heart Association. 

Reviewed by James Beckerman on April 15, 2018

SOURCE:

American Heart Association. 

Reviewed by James Beckerman on April 15, 2018

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