Human Heart Anatomy Diagram - Educational Medical Illustration #3365138 (License: Personal Use)

This vector-style medical illustration shows the human heart with prominent aorta, pulmonary artery, superior/inferior vena cava, and pulmonary veins. Red vessels indicate oxygen-rich blood flow, while blue vessels represent deoxygenated blood returning to the heart. The design emphasizes structural clarity for educational use without anatomical overload.

Used in biology textbooks, online health courses, patient education materials, and medical websites to explain cardiac circulation and basic heart anatomy; targets learners, teachers, and healthcare communicators seeking visual aids.