Human Heart Anatomy Diagram - Labeled Circulatory System Structure #231088 (License: Personal Use)

This educational illustration depicts the human heart with key structures labeled implicitly by color: red vessels represent oxygen-rich arteries (e.g., aorta), while blue vessels indicate oxygen-poor veins (e.g., superior/inferior vena cava, pulmonary veins). The drawing includes the pulmonary artery, left and right atria/ventricles, and coronary circulation branches for clarity in teaching cardiovascular physiology.

Used in medical textbooks, online anatomy courses, patient education materials, and healthcare websites to explain cardiac structure and blood flow; matches user intent for learning heart anatomy or understanding circulatory disorders.