The right atrium is one of the heart's upper chambers that plays a role in blood circulation. It collects deoxygenated blood and directs it on a pathway to get oxygen from the lungs. Problems with ...

Oxygen-poor blood (shown in blue) flows from the body into the right atrium. Blood flows through the right atrium into the right ventricle. The right ventricle pumps the blood to the lungs ...

While past research has mainly focused on the left ventricle and the coronary arteries, the effects of the disease on the ...

The atria (plural of atrium) are where the blood collects when it enters the heart. The ventricles pump the blood out of the heart to the lungs or around the body. The septum separates the right ...

Oxygen-poor blood (shown in blue) flows from the body into the right atrium. Blood flows through the right atrium into the right ventricle. The right ventricle pumps the blood to the lungs ...