Biology - Exchanging Materials 0.0 / 5 ? BiologyExchange of materialsGCSEAQA Created by: chickpeatweetCreated on: 03-03-14 17:52 10958423167 Across 1. A cell wall is .... permeable (5) 4. What is the opposite of flaccid? (6) 6. The lining of the small intestine is covered in these (5) 7. In order for diffusion to work more efficiently, surfaces are usually ..... cell thick (3) 8. A cell is plasmolysed if it has ..... water (4) 10. Gaseous exchange in the lungs happens here (7) Down 2. Pure water is called...? (9) 3. The net movement of particles from an area of high concentration to an area of low concentration (9) 5. What is another word for flaccid (11) 9. During osmosis in the plant cells, water taken in is absorbed by the...? (7)
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