Organ System

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Across
  1. 3. hormones
  2. 4. your heart and blood vessels
  3. 7. once you eat food
  4. 9. what pulls on bones
  5. 10. has to do with nerves
Down
  1. 1. this makes things leave your body
  2. 2. breathes in oxygen and out carbon dioxide
  3. 5. helps you reproduce
  4. 6. all your bones
  5. 8. helps fight sickness