Across
- 4. Kills pathogens
- 7. System in body that kills disease (title of worksheet)
- 9. Kill bacteria
- 11. Type of drug that boost the immune system
- 12. Dead/Inactive form of pathogen
Down
- 1. Only relieve symptoms
- 2. Causes infectious diseases
- 3. Kill antigens
- 5. One of the founders of immunology
- 6. Substance on surface of pathogens
- 8. Poisonous substances
- 10. Disease caused within a cell