Biology

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Across
  1. 5. The strong cell wall stops the cell bursting.
  2. 6. Are made up of the elements carbon (C), hydrogen (H) and oxygen (O).
  3. 9. Living organisms made up of just one cell.
  4. 10. Is the breakdown of large, insoluble food molecules into small, soluble food molecules so that they can be absorbed into the bloodstream.
Down
  1. 1. Digested food has to pass through the wall into the blood.
  2. 2. They make reactions happen at a much faster rate.
  3. 3. Living organisms made up of two or more cells.
  4. 4. Is when a person takes in more energy in food than they use, then the excess is stored as fat.
  5. 7. Is the movement of particles from a high to a lower concentration until they are spread out evenly.
  6. 8. Is a special kind of difusión involving water molecules.