Let's get straight to the heart of the matter—the heart's job is to move blood. Day and night, the muscles of your heart contract and relax to pump blood throughout your body. When blood returns ...

Originally appeared on the NOVA Web site Cut to the Heart. Let's get straight to the heart of the matter—the heart's job is to move blood. Day and night, the muscles of your heart contract and ...

These measurements provide insights into total blood flow through the heart tissue. Understanding myocardial blood flow (MBF) has become increasingly crucial in managing coronary artery disease (CAD).

In mammals the heart is a double pump. The right side pumps deoxygenated blood to the lungs and the left side pumps oxygenated blood to the rest of the body tissues. This means that a red blood ...

All blood vessels are specifically ... at high pressure as it leaves the heart; the largest artery is the aorta Contain valves to prevent back flow of blood Walls are made of semi-permeable ...

pulmonary valve and tricuspid valve where these four heart valves make sure that the oxygen-rich blood flows in the one ...

Your surgeon will make an incision in your chest to access your heart and will use a machine to take over blood flow while your heart is temporarily stopped. In some cases, minimally invasive ...