Human Heart Anatomy Diagram - Labeled Illustration for Education & Medical Reference #9815 (License: Personal Use)

This stylized anatomical illustration depicts a sagittal cross-section of the human heart, with color-coded chambers (red for oxygenated blood pathways, blue for deoxygenated), visible atrioventricular and semilunar valves, and major vessels including the aorta, pulmonary artery, and vena cavae. The artist uses bold outlines and contrasting hues to enhance clarity while preserving key structural relationships. Signed “MARTIN” at the lower left, it balances scientific accuracy with accessible visual design.

Used in educational materials (e.g., biology textbooks, medical school slides, health websites) to teach cardiovascular anatomy; supports user intent for learning, reviewing, or explaining heart function visually.