Breathing and gas exchange KS3

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Video summarising the information you need to know about breathing and gas exchange at KS3. Topics included are • Structure of the respiratory system • How we breathe • How gas exchange works • How to measure the volume of the lungs • To make your own measuring cylinder watch this (   • Lung Capacity - a BodyWorks On Tour s...   ) video from 0:55 - 2:00

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