biology

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Across
  1. 2. long and hard
  2. 3. wall this protects a cell
  3. 6. the way your body sends messages
  4. 8. the way plants get energy
  5. 9. house of the dna
  6. 11. what homeostasis uses
  7. 14. this is in a cell and is a main part in energy
  8. 16. formila for water
  9. 17. the way a body stays stable
  10. 18. study of plants
  11. 19. cells do this to live
Down
  1. 1. all living things have this
  2. 3. this is in every cell
  3. 4. the way we feel things
  4. 5. every body is made of these strands
  5. 7. plants use this
  6. 8. this absorbs water
  7. 10. plants convert this
  8. 12. what helps with photo synthesis
  9. 13. all living things need this
  10. 15. the things in cells