Human Heart Anatomy Diagram - Labeled Medical Illustration #1664325 (License: Personal Use)

This black-and-white line illustration depicts the internal and external structure of the human heart, including the right and left atria and ventricles, pulmonary artery, aorta, superior and inferior vena cava, and key valves such as the mitral and tricuspid. The clean, uncluttered style emphasizes structural relationships without color distraction, making it suitable for textbooks, flashcards, or digital learning modules. Fine linework shows valve leaflets and chamber boundaries with clinical accuracy.

Used in medical education websites, anatomy courses, patient education portals, and health blogs to explain cardiac physiology; targets students, educators, clinicians, and curious learners seeking foundational heart knowledge.