Human Heart Anatomy Diagram - Labeled Chambers, Valves & Blood Flow #45660 (License: Personal Use)

This medical illustration depicts a sagittal section of the human heart, highlighting the four chambers-right atrium and ventricle (blue), left atrium and ventricle (red/purple)-along with the pulmonary artery, aorta, superior/inferior vena cava, and key valves including the tricuspid and mitral. Arterial and venous pathways are color-coded to emphasize oxygenation status and directional flow. The diagram is optimized for educational clarity and clinical reference.

Used in anatomy textbooks, medical websites, e-learning modules, and patient education materials to explain cardiac structure and circulation; targets students, healthcare professionals, and curious learners seeking foundational cardiovascular knowledge.