Human Heart Anatomy Diagram - Labeled Illustration for Medical Education #1820870 (License: Personal Use)

This black-and-white line drawing depicts the external and internal anatomy of the human heart, including the left and right atria and ventricles, pulmonary artery, aorta, superior and inferior vena cava, and pulmonary veins. The illustration emphasizes structural relationships without shading or color, making it ideal for labeling exercises and foundational learning. Its clean, minimalist style supports clarity in medical and biology education contexts.

Used in educational websites, textbooks, e-learning modules, and patient information pages to explain cardiac anatomy; matches user intent for studying, teaching, or reviewing heart structure.