Human Heart Anatomy Diagram - Educational Medical Illustration #3596509 (License: Personal Use)

This vibrant, flat-style medical illustration depicts the human heart with major structures including the aorta, pulmonary artery, superior/inferior vena cava, and atria/ventricles. Red vessels indicate oxygen-rich blood flow, while blue represents oxygen-poor circulation. The design balances anatomical accuracy with visual clarity for educational use.

Used on health education websites, biology textbooks, medical training modules, and patient-facing resources to explain cardiac function and circulation. Matches user intent for visual learning, anatomy reference, or classroom teaching aids.