Human Heart Anatomy Diagram - Labeled Illustration for Education & Medical Reference #312466 (License: Personal Use)

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

Used in educational websites, anatomy textbooks, medical training modules, and health infographics; serves users seeking to understand cardiac structure, study for exams, or create teaching materials.