Human Heart Anatomy Diagram - Educational Medical Illustration #2999384 (License: Personal Use)

This medical illustration presents a sagittal cross-section of the human heart, highlighting the right and left atria and ventricles, semilunar and atrioventricular valves, and major vessels such as the aorta, pulmonary artery, and vena cava. The color-coding emphasizes oxygenated (red) versus deoxygenated (blue/purple) blood flow pathways. It serves as an effective teaching aid for cardiovascular physiology and anatomy.

Used in educational websites, medical textbooks, health blogs, and e-learning platforms to explain cardiac structure and function; matches user intent for learning or reviewing heart anatomy.