Across
- 6. any foreign substance
- 8. virus that causes AIDS
- 9. spread of disease
- 11. protein produced by white blood cells, attacks pathogens
- 13. body attacks itself
- 16. resistance to a specific pathogen
Down
- 1. a shot containing harmless pathogens that causes an immune response
- 2. elevation of bdoy temperature
- 3. living organism that causes a disease
- 4. cell that attacks pathogens or antigens
- 5. acquired immune deficiency syndrome
- 7. swelling of an area of the body
- 10. a reaction of the body to a foreing substance
- 11. Antigens(allergens) cause an immune reaction
- 12. cells made after a primary immune response; remembers the pathogen
- 14. body system that fights disease
- 15. chemical that stops the growth of bacteria