Human Heart Anatomy Diagram - Major Vessels and Chambers Explained #1664333 (License: Personal Use)

This medical illustration depicts the human heart in anterior view, clearly distinguishing oxygenated (red) and deoxygenated (blue) blood pathways through major vessels including the aorta, pulmonary artery, superior/inferior vena cava, and pulmonary veins. The epicardial fat and coronary vasculature are rendered in yellow, emphasizing surface anatomy and perfusion routes. The image includes cut-open vessel cross-sections to reveal lumen structure and is marked as part (d) of a larger educational series.

Used in medical textbooks, online anatomy courses, and health education websites to teach cardiovascular structure and function; targets students, educators, and patients seeking visual understanding of heart physiology.