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.

When the heart contracts it pushes ... number is the diastolic value. Blood pressure is determined by Q (cardiac output) and the resistance to the blood flow (R). Resistance to blood flow is ...

Learn what your pulse strength reveals about your vascular health, from circulation issues to early warnings of ...

Accumulating evidence suggests that the immune system plays a crucial role in the emergence of atherosclerotic cardiovascular ...

Pompeu Fabra University (UPF) and the Royal Veterinary College of London have worked together on a pioneering project ...

T he aorta, a large blood vessel responsible for transporting oxygenated blood from the heart to the rest of the body, plays a crucial role in our circulatory system.While it has long been known ...

Discover how regular sauna bathing improves heart health through 7 mechanisms, from lower blood pressure to reduced ...

When people think of vitamin D, strong bones and a healthy immune system often come to mind. While it’s true that this ...

With aging there are changes in the cardiovascular ... of the arterial system. This results in increased afterload on the left ventricle, an increase in systolic blood pressure, and left ...

Indeed, previous research suggests that poor blood flow regulation in leg muscle may show up before similar changes in the heart, and could even explain symptoms like fatigue or difficulty exercising.