The Gates of Life | Heart Valves in Action 🚪🫀 . . Explore the incredible world of the human heart in this detailed 3D animation. This video reveals the anatomy and function of the four essential valves — aortic, mitral, pulmonary, and tricuspid — which regulate blood flow and keep your heart beating in perfect rhythm. From opening and closing mechanisms to their role as the “gates of life,” discover why these tiny structures are vital for survival. Created by Smart Doctor 2025 Unauthorized use