Body Systems Review

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Across
  1. 2. a group of similar cells working together
  2. 4. system that helps support the body
  3. 10. system that moves bones and tighten body
  4. 11. The ______ system tells the muscles in your body how to move.
  5. 12. system that protects the body from infection
  6. 15. The digestive system breaks down food the release _____.
  7. 17. system that carries messages throughout the body
Down
  1. 1. Lifting weights can increase the size of your ____.
  2. 3. system that includes skin, hair and nails
  3. 5. system that moves waste materials out of the body
  4. 6. system that carries oxygen throughout the body
  5. 7. The human body is made up of multiple ________ systems.
  6. 8. the main part of the respiratory system
  7. 9. system that controls the heart
  8. 13. The skeletal and ______ systems work together to help the body move.
  9. 14. a group of tissues working together
  10. 16. smallest unit of life