Human Heart Anatomy Diagram - Arteries and Veins Labeled #1930070 (License: Personal Use)

This hand-drawn style illustration depicts the external structure of the human heart, emphasizing the major arterial and venous networks on its surface. Red vessels trace the path of oxygen-rich blood from the aorta and coronary arteries, while blue vessels show deoxygenated blood returning via the superior and inferior vena cava and coronary sinus. The image balances clarity with anatomical accuracy for educational use.

Used in biology textbooks, health education websites, medical training modules, and patient-facing materials to explain cardiac circulation. Matches user intent for learning basic heart anatomy, understanding blood flow, or preparing teaching resources.