Respiratory system

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Across
  1. 2. living
  2. 4. defense
  3. 7. helps you move
  4. 8. body outer covering What helps you pee
Down
  1. 1. harmonus act
  2. 3. at helps you make babies
  3. 5. a healthy heart and circulatory system
  4. 6. where you can't move