Biology unit 3 aqa Hope this helps 3.0 / 5 based on 13 ratings ? BiologyGCSEAll boards Created by: JemimaCreated on: 20-05-12 16:22 Where are the villi found? Small intestine 1 of 7 They are adapted like this so food is absorbed much more quickly into the blood 2 of 7 How does food move into the blood? Diffusion and active transport 3 of 7 Where are alveoli found? Lungs 4 of 7 How is active transport different to diffusion and osmosis? Against the concentration gradient 5 of 7 What would happen if we didnt have active transport? Starve 6 of 7 What carries oxygen round the body? Red blood cells 7 of 7
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