Organ System Crossword Puzzle

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Across
  1. 7. skin and hair
  2. 8. heart and blood vessels
  3. 10. skull and ribs
  4. 11. stomach and appendix
Down
  1. 1. skeletal
  2. 2. spleen
  3. 3. lungs and airway
  4. 4. brain and spinal cord
  5. 5. uterus and fallopian tube
  6. 6. glands
  7. 9. bladder