Science Crossword Puzzle

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Across
  1. 4. wall - The protecting layer outside of the cell
  2. 5. membrane - double membrane that encloses the cell nucleus.
  3. 6. Cell - the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus
  4. 7. - a tool to see cells up close
  5. 9. - breathing
  6. 12. - organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane.
  7. 13. - organism that cannot produce its own food,
  8. 18. - where photosynthesis takes place
  9. 20. membrane - membrane surrounding the cytoplasm of a cell
  10. 22. - releasing waste from our body
  11. 23. - deals with the nervous system
  12. 24. Reticulum - network of membranous tubules within the cytoplasm of a eukaryotic cell
  13. 25. - The center of the cell
Down
  1. 1. - a small cavity or space in tissue, especially in nervous tissue as the result of disease.
  2. 2. - movement of something in our bodylife - reféres to cells and organisms
  3. 3. - organelle composed mainly of a protein called tubulin
  4. 8. - production of chemical compounds by reaction from simpler materials.
  5. 10. - organism that produces complex organic compounds using carbon from simple substances such as carbon dioxide
  6. 11. - movement of bones
  7. 14. - a minute particle consisting of RNA and associated proteins found in large numbers in the cytoplasm of living cells.
  8. 15. - powerhouse of the cell
  9. 16. - any of the distinct types of material of which animals or plants are made
  10. 17. - controls all of the cells activities
  11. 18. theory - States that all living things consist of cells
  12. 19. body - complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells
  13. 21. - provides a medium for the organelles to remain suspended.