Body systems

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Across
  1. 3. Digestive
  2. 5. nervous
  3. 10. Circulatory
  4. 12. Excretory
  5. 13. Integumentary
Down
  1. 1. endocrine
  2. 2. protect bones
  3. 4. red substance
  4. 6. Respiratory
  5. 7. Reproductive
  6. 8. muscular
  7. 9. Immune
  8. 11. skeletal