Xenotransplantation

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Across
  1. 3. very great in amount or quantity
  2. 5. good or ethical
  3. 6. medical care make a patient feel better
  4. 9. not easy to analyze or understand
  5. 11. the person who gives something
  6. 13. to disapprove or criticize
  7. 15. completely new
  8. 16. to remove an organ for transplantation
Down
  1. 1. come into view
  2. 2. a period of ten years
  3. 4. part of the body
  4. 6. to move or transfer from one place to another
  5. 7. based on untested ideas, not proven yet
  6. 8. situations
  7. 10. to change or alter
  8. 12. the person who receives something
  9. 14. sick, not in good health