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結果 : how does heart work in human body

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2:42

Heart 101 | National Geographic

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Blood Flow through the Heart in 2 MINUTES

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5:42

The Human Body: The Heart | Educational Videos For Kids

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How does human circulatory system work – 3D animation – in English

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3:10

Biology | "How Does our Heart Work?" Explained | Human Body | Science For Kids

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How does the Heart work? Human Body Parts - Science for Kids | Educational Videos by Mocomi

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What is a Heart? ❤️ StoryBots: The Human Body for Kids | Netflix Jr

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The circulatory system in the human body for kids - Smile and Learn

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Human Body 101 | National Geographic

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Blood Circulation in Human Body | How Heart Works & Beats | Biology Heartbeat Animation Video

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How Does Human Heart Works? | Human Heart Structure And Function (3D Animation)

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The Circulatory System - Learning the Human Body

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What Happens to your Heart when you Exercise - The Human Body - A User's Guide

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The Circulatory System in the Human Body For Kids - WIthout Text Version

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Human body organs for kids - Circulatory system, digestive system and respiratory system for kids

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38:00

Human Body - Science for Kids - Rock 'N Learn

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How the human heart work

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How Medicine Works in Human Body? | How Your Body Process Medicine? | The Dr. Binocs Show

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Visible Body | Virtual 3D Human Heart Anatomy Walkthrough

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