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Heart | Structure, Function, Diagram, Anatomy, & Facts ...
The heart is an organ that serves as a pump to circulate the blood. 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.
Heart - Wikipedia
1.1Location and shape. 1.2Chambers. 1.2.1Valves. 1.2.2Right heart. 1.2.3Left heart. 1.3Wall. 1.4Pericardium. 1.5Coronary circulation.
Heart: Anatomy & Function - Cleveland Clinic
Your heart is the main organ of your cardiovascular system, a network of blood vessels that pumps blood throughout your body.
Heart Anatomy, Function, and Blood Circulation - WebMD
Learn about heart anatomy, including chambers, valves, and blood vessels, and how they coordinate blood circulation to keep the body functioning.
How the Heart Works - What the Heart Looks Like | NHLBI, NIH
This image shows the four chambers of the heart and the direction that blood flows through the heart. Oxygen-poor blood, shown in blue-purple, flows into the heart and is pumped out to the lungs.
Homepage | Heart
Heart keeps cardiologists up to date with important research advances in cardiovascular disease and also provides key educational resources
Heart anatomy: Structure, valves, coronary vessels | Kenhub
The heart is a muscular organ that pumps blood around the body by circulating it through the circulatory/vascular system. It is found in the middle mediastinum, wrapped in a two-layered serous sac called the pericardium.
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