What is immunity ?

1234567891011121314151617
Across
  1. 2. Barriers Physical defenses like skin and mucus
  2. 4. Killer Cells Destroy infected and cancerous cells
  3. 5. Disease-causing microorganisms
  4. 9. White blood cells that engulf pathogens
  5. 10. Cells Immune cells that kill infected cells
  6. 11. Phagocytic white blood cells
  7. 14. Memory No memory of previous infections
  8. 17. Barriers Internal defenses such as fever and acid
Down
  1. 1. Response causing redness, heat, swelling, and pain
  2. 3. Elevated temperature that slows pathogens
  3. 6. Contain enzymes that kill bacteria
  4. 7. Physical barrier against pathogens
  5. 8. Immunity Immediate, non-specific defense
  6. 12. Engulfing and digesting pathogens
  7. 13. Body’s ability to fight disease
  8. 15. Membranes Trap microbes with mucus
  9. 16. Acid Destroys many swallowed pathogens