The semilunar valves stop the back flow of blood into the heart. There is a semilunar valve where the aorta leaves the left ventricle and another where the pulmonary artery leaves the right ventricle.

Congenital heart disease is an issue with the heart’s structure at birth, according to the Cleveland Clinic, and can prevent ...

The heart is the central organ of the human circulatory system. Both congenital and acquired structural changes in the heart can lead to hemodynamic alterations affecting the function of various ...

For example, a capillary is microscopically thin to allow gases to exchange, the arteries are tough and flexible to cope with high pressure blood flow and ... away from the heart (usually ...

Ebstein’s Anomaly is a congenital heart condition that affects the structure of your heart ... “This means blood can flow the wrong way in your heart. If more blood flows backwards into ...