Systems of the body

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Across
  1. 4. the system that the spinal cord is in
  2. 6. the system that the stomach is in
  3. 7. The system that the tricep is in
  4. 9. the system that the skin is in
  5. 11. the system that the lungs are in
  6. 12. the system that the bicep is in
Down
  1. 1. the system that the nails are in
  2. 2. the system that the thyroid gland is in
  3. 3. the system that the trachea is in
  4. 5. the system that the humerus is in
  5. 8. the system that the heart is in
  6. 10. the system that the brain is in