@smart.doctor: @Dr. Bahaa Dmour Four Tiny Doors, One Powerful Circulation 💓 ────────── S1 and S2 are the main heart sounds of a normal cardiac cycle. S1 occurs when the mitral and tricuspid valves close at the start of ventricular systole, while S2 occurs when the aortic and pulmonary valves close as the ventricles relax. This 3D medical animation shows the heart valves moving in real time, helping explain how valve closure, blood flow, and the familiar “lub-dub” heartbeat sound are connected. A clear visual guide for understanding cardiac anatomy and physiology from inside the heart. The heart valves work like one-way gates, guiding blood flow through the heart with every beat. This close-up view shows how the tricuspid, pulmonary, mitral, and aortic valves help keep circulation moving in the correct direction. Educational 3D medical animation for health awareness. This digital anatomical model was carefully designed to explain human anatomy and physiology in a clear, professional, and viewer-friendly way. Created by Smart Doctor for medical education. ────────── 🎥 Video created by 🩺 Dr. Bahaa Dmour ⚡️ CEO & Founder of Smart Doctor @drbahaadmour ────────── #Anatomy #Heart #Smartdoctor1 #DrBahaaDmour #cardio

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Sunday 14 June 2026 16:08:06 GMT