![]() ![]() ![]() Overviews of some common cardiovascular diseases are below. Understanding conditions that can affect the cardiovascular system may help people seek appropriate and timely medical advice. The left ventricle pumps the blood through the aortic valve into a large artery called the “aorta.” This artery delivers blood to the rest of the body.Ĭommon diseases of the cardiovascular systemĬardiovascular diseases can be severe and potentially life threatening.Blood flows through the mitral valve and enters the left ventricle (lower left chamber).The blood returns to the heart and flows into the left atrium (upper left chamber) via four pulmonary veins.As a result, the blood is now rich in oxygen. Here, the process of breathing draws oxygen into the blood and removes carbon dioxide. The blood then flows through the left and right pulmonary arteries into the lungs.The right ventricle pumps blood through the pulmonary valve and out of the heart via the main pulmonary artery.Blood flows through the tricuspid valve and enters the right ventricle (lower right chamber).Blood lacking oxygen returns from the body and enters the right atrium (upper right chamber) via the inferior vena cava and superior vena cava veins. ![]() Valves control the flow of blood within the different chambers.īlood follows the following path through the heart: The heart consists of four distinct chambers: two upper chambers called “atria” and two lower chambers called “ventricles.” A wall or “septum” separates the atria and ventricles. ![]()
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