principles of world history

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Across
  1. 3. establishments of nuns
  2. 4. sterile condition free from all germs
  3. 9. exact correct or precise
  4. 10. organisms or beings that destroy
  5. 13. a system of moral principles
  6. 14. to force out evil spirits
  7. 16. diseases affecting many people at the same time
  8. 17. surgically removing circular sections(of bone, for example)
  9. 19. the inhalation and exhalation of air or breathing
  10. 20. the branch of biology dealing with the functions and activities of living organisms and their parts
  11. 21. a sigh or indication of something
  12. 22. directly into a vein
Down
  1. 1. a weakened bacteria or virus given to a person to build immunity against a disease
  2. 2. homes for men following religious standards
  3. 5. instrument used to hear sound in the body heartbeat lung sounds bowel sounds
  4. 6. marked by watching and protecting rather than seeking to cure
  5. 7. trusting in magic or chance
  6. 8. act of watching
  7. 11. act or process of dividing taking apart
  8. 12. practice of pretending to cure diseases
  9. 15. the science dealing with the structure of humans animals and other living organisms
  10. 18. ancient or prehistoric