B2f Gas exchange humans
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ASH
Action on smoking and health – information on diseases caused by smoking.
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Breathing animation
Animation of the breathing system.
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Breathing mechanism
Page with information and diagrams including explanation of “balloons in bell jar”.
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Bronchoscopy video
From Classroom Medics site, video of a bronchoscopy procedure.
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Gas exchange
Youtube clip showing gas exchange in the lungs.
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How breathing works
Animated talk from TED website.