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    Tuesday, November 10, 2009
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    Heart valves

    Heart valves

    The valves of the heart open and close to control the flow of blood entering or leaving the heart.

    Review Date: 10/03/2005
    Reviewed By: A.D.A.M. Medical Illustration Team

    A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).
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