Human Heart Anatomy Diagram - Labeled Structure & Function Guide #3417237 (License: Personal Use)

The image displays a cross-sectional view of the human heart with distinct color coding: blue represents deoxygenated blood flow through the right side (superior/inferior vena cava, right atrium, right ventricle, pulmonary artery); red indicates oxygenated blood in the left side (pulmonary veins, left atrium, left ventricle, aorta); and yellow outlines the myocardial wall. Valves such as the tricuspid and mitral are visible, emphasizing unidirectional blood flow.

Used in medical education, biology textbooks, health websites, and patient-facing materials to explain cardiac anatomy and circulation; matches user intent for learning or teaching basic cardiovascular physiology.