Diffusion, Osmosis and Active Transport

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Across
  1. 3. Molecules move down this in diffusion, and up this in active transport
  2. 4. Required for active transport; more can increase the rate of diffusion
  3. 6. The movement of water molecules from a more dilute solution to a more concentrated solution
  4. 9. The physical process involving the diaphragm that maintains a concentration gradient in the lungs
  5. 10. The chemical process that provides the ATP needed for active transport
  6. 11. The amount of surface available; sometimes used in ratios with volume.
  7. 13. The net movement of molecules form an area of high concentration to an area of low concentration
Down
  1. 1. Where the concentration of solutes is equal in a solution
  2. 2. Where a solution is more concentrated outside of a cell
  3. 5. Used to describe transport methods that do not require energy
  4. 7. A type of transport that requires energy
  5. 8. The mineral that is actively transported by plant roots
  6. 12. The smallest blood vessel; forms a network around alveoli