Diffusion Alveoli and Villi Biology B3
- Created by: Harriet
- Created on: 18-05-11 17:13
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Lung's job is to transfer oxygen to blood & remove waste carbon dixode. To do this lungs contain alveoli (millions of little air sacs)
Alveoli specialised to maximise diffusion of oxygen and carbon dioxide by:
1) they have a…
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