Human Body System review

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Across
  1. 2. organ systems working together with characteristics of life
  2. 6. the body keeping a stable,constant internal environment
  3. 10. system that takes in excretes liquid waste
  4. 14. system that controls hormones and chemical balance
  5. 15. the constant process that an organism does to maintain life
  6. 16. system that sends messages to the rest of the body
  7. 17. system that helps make another organism
  8. 18. group of cells
Down
  1. 1. system that moves nutrients throughout the rest of the body
  2. 3. system that moves the body
  3. 4. basic unit of life
  4. 5. the gas which humans give off
  5. 7. group of tissues
  6. 8. system that is the frame for the body
  7. 9. system that takes in nutrients and expels waste
  8. 11. system that does gas exchange
  9. 12. group of organs
  10. 13. the gas when humans take in