結果 : how does the lungs and respiratory system work (video)
10:53

Respiratory System of the Human Body - How the Lungs Work! (Animation)

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Respiratory System | The Dr. Binocs Show | Learn Videos For Kids

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How do lungs work? - Emma Bryce

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7:35

Respiratory System

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2:10

How our lungs work | 3D tour of the lungs

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0:14

Alveoli 3D Medical Animation

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5:16

Overview of the Respiratory System, Animation

Alila Medical Media
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2:07

Lung Anatomy

Nucleus Medical Media
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5:16

Clear Your Lungs Fast with Mullein Leaf Extract and Chlorophyll: Insights from Barbara O'Neill

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1:21

The Human Respiratory System Explained

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How Do Your Lungs Work

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8:51

The Respiratory System for Kids

Learn Bright
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0:14

Animation showing normal breathing

Chest Heart & Stroke Scotland
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5:04

Respiratory System - How The Respiratory System Works

Whats Up Dude
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0:17

Lungs and Breathing - 3D Medical Animation || ABP ©

AnimatedBiomedical
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5:22

How Your Lungs Work

Nemours KidsHealth
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1:39

How Do We Breathe Animation - How Do the Lungs Work Video - Respiratory System: Process of Breathing

AniMed
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8:51

The Respiratory System

Professor Dave Explains
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3:58

GCSE Biology - Gas Exchange and Lungs #26

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10:29

Anatomy and physiology of the respiratory system

Osmosis from Elsevier
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