Human Heart Anatomy Diagram - Blood Flow Through Chambers and Valves #3623203 (License: Personal Use)

The image depicts a cross-sectional view of the human heart, color-coded to distinguish deoxygenated (blue/purple) from oxygenated (red/pink) blood. Arrows illustrate blood movement through the superior/inferior vena cava into the right atrium, through the tricuspid valve to the right ventricle, then to the lungs via the pulmonary artery; oxygenated blood returns via pulmonary veins to the left atrium, passes through the mitral valve into the left ventricle, and exits via the aorta. Key structures like semilunar valves and septum are clearly labeled by position and flow.

Used in educational contexts-biology textbooks, medical training modules, health websites-to explain cardiac circulation and heart function. Matches user intent for visual learning, revision, or teaching aid on cardiovascular physiology.