cell-structure and functions

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Across
  1. 2. it is a jelly-like substance which makes up most of the inside cell
  2. 3. blood cells these helps to destroy germs in our blood
  3. 7. the liquid in the nucleus
  4. 9. green coloured plastids
  5. 11. it is a unicellular organism without a definite shape
  6. 12. level cells representing the lowest level
  7. 13. schleiden on of the german biologist
Down
  1. 1. organisms plants and animals which we see with our naked eye and is also made up of cells
  2. 4. cells cells which can expand and contract
  3. 5. membrane surrounding the cytoplasm is a thin covering
  4. 6. all living things are made up of
  5. 8. scattered in the cytoplasm are small structures
  6. 10. hook cell were discovered by