Interactive 3D Human Heart Anatomy Breakdown

A single-file Three.js interactive 3D heart. The deep red muscle is covered in red arteries and blue veins, and the interior reveals the four chambers, four valves, aorta, pulmonary artery, and conduction system. The heart beats about once a second with the valves opening and closing in sync, and blue blood flows in while red blood flows out. Drag to orbit and scroll to zoom. An explode view separates each part with labels, and hovering highlights a part with a one-line explanation of its function. Well suited to medical education and human anatomy lessons.