Across
- 3. Destroys many swallowed pathogens
- 5. Response causing redness, heat, swelling, and pain
- 8. Contain enzymes that kill bacteria
- 9. No memory of previous infections
- 10. Immediate, non-specific defense
- 12. Destroy infected and cancerous cells
- 13. Phagocytic white blood cells
- 15. Elevated temperature that slows pathogens
- 16. Physical barrier against pathogens
Down
- 1. Trap microbes with mucus
- 2. Disease-causing microorganisms
- 4. Body’s ability to fight disease
- 6. Physical defenses like skin and mucus
- 7. Engulfing and digesting pathogens
- 11. White blood cells that engulf pathogens
- 12. Immune cells that kill infected cells
- 14. Internal defenses such as fever and acid