Test #6 Immune System

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Across
  1. 2. AB, if you do not have antibodies you have this type of blood
  2. 3. antigens have a specific
  3. 7. takes place in the second line of defense
  4. 8. triggers all immune responses
  5. 12. used to treat bacterial infections
  6. 13. the first line of defense
  7. 14. AIDS is caused by this
  8. 15. contains weak or dead pathogens
  9. 18. a pathogen is a type of this
  10. 19. B, if B antigens are present you have this type of blood
  11. 20. a change in an organism's or virus' DNA/RNA
Down
  1. 1. this happens when the body attacks a donated organ
  2. 3. cells, cells that can be programmed to become any type of cell
  3. 4. a reaction to a harmless antigen
  4. 5. cause illness
  5. 6. white blood cells will do this
  6. 9. the organism that a pathogen/parasite uses to live
  7. 10. type of immunity when you are given antibodies
  8. 11. type of immunity when your body makes antibodies
  9. 16. specifically shaped proteins that neutralize foreign antigens
  10. 17. these drugs are used to stop rejection of a donated organ