What is immunity ?

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