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