Human Heart Anatomy Diagram - Circulatory System Overview #45663 (License: Personal Use)

This educational illustration depicts the human heart with red vessels representing oxygen-rich arterial blood and blue vessels indicating oxygen-poor venous blood. Key structures-including the aorta, pulmonary artery, superior/inferior vena cava, and atria/ventricles-are clearly differentiated by color and shape. The diagram is designed for clarity in medical, biology, or health science contexts.

Used on educational websites, e-learning platforms, or medical reference pages to explain cardiac anatomy and circulation; targets students, teachers, and healthcare professionals seeking visual learning aids.