Cells and Systems Unit Test

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Across
  1. 2. Alberta and Saskatchewan border
  2. 3. North Korea and South Korea border
  3. 4. System that involves the heart, blood, blood vessels
  4. 8. System responsible for exchanging oxygen and carbon dioxide
  5. 11. System in which you can find smooth, cardiac and skeletal
  6. 12. To keep your body healthy, get plenty of ________________
  7. 13. spreading out from high concentration to low concentration
  8. 14. System responsible for regulating blood and excreting wastes
  9. 17. Cells of similar structure form to make ____________
  10. 19. Levels of organization of organisms
  11. 20. A disorder of the digestive system
Down
  1. 1. permeable Type of membrane that allows some in and keeps some out
  2. 5. Characteristic of living organisms
  3. 6. System that senses internal and external changes
  4. 7. This invention allows us to see the world that is small
  5. 9. A disorder that can affect the respiratory system
  6. 10. A fancy science term for 'parts'
  7. 13. System that breaks down food and absorbs particles
  8. 15. What all living things are made of
  9. 16. diffusion of water across a selectively permeable membrane
  10. 18. To keep your body healthy, do NOT _______________