The newly oxygen-rich blood (shown in red) returns to the heart and enters the left atrium. Blood flows through the left atrium into the left ventricle. The left ventricle pumps the oxygen-rich ...

The aorta, a large blood vessel responsible for transporting oxygenated blood from the heart to the rest of the body, plays a ...

blood flows into the heart from a vein, goes into an atrium, then a ventricle, and out through an artery. The valves prevent the blood flowing backwards. The heart is relaxed and blood flows into ...

Veins carry deoxygenated blood from the tissue to the heart. When the veins are blocked ... This encourages fresh blood to flow through the muscle, clearing out metabolites that can result ...

In stenosis, it’s like the doorway has become too narrow, making it harder for blood to flow through. Common symptoms include ...

Blood flow is a vital aspect of our total health. It delivers oxygen and nutrients throughout our bodies, which is critical to us maintaining vitality and fitness. Regrettably, a variety of ...

Congenital heart disease refers to structural abnormalities in the heart present from birth. These defects affect how blood flows through the heart and can lead to serious complications later in life.

As the British Heart Foundation noted: “This means blood can flow the wrong way in your heart. If more blood flows backwards into your right atrium (the upper chamber of your heart), it can make ...

Short activity breaks throughout the day together with high-intensity interval training (HIIT) every other day can counteract ...

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 ...