How the Human Heart Works | 3D Medical Animation Explained Clearly #vranatomy #xrhealth
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YouTubescience videos Lab
How the Human Heart Works | 3D Medical Animation Explained Clearly #vranatomy #xrhealth
This educational 3D animation explains how the human heart works in a simple and visual way. Learn how blood flows through the heart, how oxygen is delivered to the body, and how this vital organ keeps you alive. Perfect for students, biology learners, and anyone interested in human anatomy.
235K views3 months ago
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Here's exactly what happens every time your heart beats 🫀 It starts with an electrical signal from the SA node — your heart's natural pacemaker. That signal tells your atria to contract, pushing blood down into the ventricles. Then the ventricles contract (ventricular systole): 🫀 Right ventricle → pumps deoxygenated blood to the lungs 🫀 Left ventricle → pumps oxygen-rich blood to the rest of your body After that, the heart enters diastole — a brief relaxation where the chambers refill and pre
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