7/8 Review

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Across
  1. 4. system that forms reproductive cells
  2. 5. organ that produces bile
  3. 6. makes 50% of blood
  4. 8. cells grouped together to perform a function
  5. 9. system that covers the body
  6. 15. system that fights disease and infection
  7. 17. system that removes liquid wastes
  8. 18. breaks or cracks in bone
  9. 19. the parts of the body that can not be scientifically explained
  10. 20. system that supports the body and protects its organs
Down
  1. 1. carries food to stomach
  2. 2. where bones meet
  3. 3. these clot blood
  4. 6. membrane encasing the lungs
  5. 7. system that breaks down food
  6. 10. skin pigment
  7. 11. the smallest living unit
  8. 12. the part of the body that contains most of the vital organs
  9. 13. organ that pumps blood
  10. 14. system that moves body parts
  11. 16. chews and mixes food with saliva