Human Circulatory System Diagram - Major Arteries and Veins Labeled #3860676 (License: Personal Use)

The image displays a full-body anterior view of the human cardiovascular system, clearly distinguishing oxygenated arterial flow (red) from deoxygenated venous return (blue). Key structures labeled include the superior and inferior vena cava, pulmonary veins and arteries, descending aorta, and femoral artery and vein. The heart is centrally positioned, serving as the pump connecting systemic and pulmonary circuits.

Used in educational contexts such as biology or anatomy textbooks, online learning modules, and medical reference sites; supports user intent to understand vascular anatomy, circulation pathways, or prepare for exams.