| | Conditions & Treatments | Heart Disease What are the one way doors in your heart and veins? There are no one-way doors in the heart or veins. Blood flows through the heart and veins in a continuous circuit. Heart Disease - Related Articles High Blood Pressure After Age 55 Echocardiogram Procedures Effects of Statin Drugs on Diastolic Dysfunction What is automaticity of the heart? When the ventricle contract bicuspid mitral valve prevents blood from flowing the? Risks of Implanted Defibrillators Congestive Heart Failure Guidelines
