Human Heart Anatomy Infographic | Picture of Inside Human Body

Biological diagram infographic titled "Human Heart Anatomy" centered on a clean labeled comparison diagram of the human heart, showing two educationally tasteful editorial-grade structures side by side: external heart view and simplified internal cross-section, with the internal cross-section as the main focus. Render a biologically accurate human heart with correct proportions, chambers, major vessels, septum, and valves. Arrange 9 labels evenly around the central diagram with thin leader lines; each label must include a short English heading and a one-line English function caption. Use medical-textbook clarity, editorial scientific illustration, vector-clean lines, no photographic textures. Visual style: colorful kids-book with simplified but scientifically accurate forms, crisp outlines, sharp readable typography, friendly educational mood for high school/general audience. Color palette: cool clinical blues with teal, cyan, navy, soft gray, and subtle pink-red accents only where needed for oxygenation contrast. Include a small visual legend using blue-toned deoxygenated flow and lighter oxygenated flow, with subtle directional arrows showing blood movement through the heart. Labels to render exactly as follows: "Right Atrium" — "Receives deoxygenated blood from the body."; "Right Ventricle" — "Pumps deoxygenated blood to the lungs."; "Left Atrium" — "Receives oxygenated blood from the lungs."; "Left Ventricle" — "Pumps oxygenated blood to the body."; "Septum" — "Separates the right and left sides of the heart."; "Tricuspid Valve" — "Prevents backflow between right atrium and right ventricle."; "Mitral Valve" — "Prevents backflow between left atrium and left ventricle."; "Aorta" — "Carries oxygenated blood from the heart to the body."; "Pulmonary Artery" — "Carries deoxygenated blood from the heart to the lungs." Keep all labels sharp and readable, thin leader lines precise, and the layout balanced like a classroom science infographic. No graphic medical gore, no surgical blood, no real patient photographs, no cruelty imagery, educationally tasteful anatomy only. All text MUST be written in English (array). Every heading, label, caption, legend and metric name in the image must be in English — not English. Spell each English word correctly using English characters and diacritics. Numbers stay as digits, no graphic gore, no real patient photos, no watermarks No graphic medical gore, no real patient photographs, no surgical blood. For human anatomy, keep illustrations educationally tasteful. For animal anatomy, no cruelty imagery. Scientifically accurate labeling and proportions.