How the heart works inside the human body
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YouTubeSmarter Life After 40
How the heart works inside the human body
What really happens inside your body every time your heart beats? ️ This cinematic 3D anatomy video takes you inside the human heart to show how it works in a simple, visual, and engaging way. Watch blood flow through the chambers, see how oxygen moves through the body, and discover what happens inside you every second to keep you alive ...
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