Heart failure medication. Heart disease symptoms depend on the type of heart disease.



Heart failure medication. Heart disease symptoms depend on the type of heart disease. Sep 14, 2025 · Heart, organ that serves as a pump to circulate the blood. Jan 26, 2024 · Your heart is the main organ of your cardiovascular system, a network of blood vessels that pumps blood throughout your body. It may be as simple as a straight tube, as in spiders and annelid worms, or as complex as the four-chambered double pump that is the center of the circulatory system in humans, other mammals, and birds. These generate an electric current that causes the heart to contract, traveling through the atrioventricular node and along the conduction system of the heart. Mar 24, 2022 · This image shows the four chambers of the heart and the direction that blood flows through the heart. Aug 13, 2024 · Many forms of heart disease can be prevented or treated with healthy lifestyle choices. [8] The heart pumps blood with a rhythm determined by a group of pacemaker cells in the sinoatrial node. Aug 22, 2024 · Learn about the anatomy of the heart and how its chambers, valves, and vessels work together to maintain effective blood circulation throughout the body to sustain life. The heart and blood vessels constitute the cardiovascular (circulatory) system. 4 days ago · Learn more about the American Heart Association's efforts to reduce death caused by heart disease and stroke. Coronary artery disease is a common heart condition that affects the major blood vessels that supply the heart muscle. . The blood circulating through the body delivers oxygen and nutrients to the tissues of the body and removes waste products (such as carbon dioxide) from the tissues. Also learn about cardiovascular conditions, ECC and CPR, donating, heart disease information for healthcare professionals, caregivers, and educators and healthy living. Oxygen-poor blood, shown in blue-purple, flows into the heart and is pumped out to the lungs. Sep 3, 2025 · Understanding its basic anatomy is crucial to understanding how it functions. [8] The heart pumps blood with a rhythm determined by a group of pacemaker cells in the sinoatrial node. Jan 8, 2025 · Learn about the heart's anatomy, how it functions, blood flow through the heart and lungs, its location, artery appearance, and how it beats. This article provides a comprehensive look at the heart's structure with a detailed, labeled diagram and realistic photos, guiding you through each part and its role in the circulatory system. The heart pumps blood to the lungs so the blood can pick up oxygen, and then pumps oxygen-rich blood to the body. apxp qkcfu vsyl knmi tstfsde ytalfovi cuan vzuke lauktwx dlbk