Human Circulatory System Diagram - Anatomy & Function Guide #3537151 (License: Personal Use)

This medically accurate 3D rendering displays the human thoracic cavity with the heart centrally positioned, surrounded by the ribcage and lungs. Arteries are shown in red, carrying oxygen-rich blood away from the heart, while veins appear blue, returning deoxygenated blood. The image includes major vessels like the aorta, vena cava, pulmonary arteries, and intricate capillary networks throughout the torso.

Used on educational, medical, or health-focused websites to explain cardiovascular anatomy, support patient education, or illustrate articles on heart disease, circulation, or physiology. Matches user intent for learning, teaching, or clinical reference.