Crossword Puzzle - Immune Response

123456789101112
Across
  1. 4. First and second line of defense that you are born with (2 words)
  2. 5. Cell that engulf and digest pathogens
  3. 8. Faster and stronger immune response after re-exposure to the same antigen (2 words)
  4. 9. Example from first line defense, first physical barrier that prevents pathogens from entering the body
  5. 10. Example from second line defense that slows pathogen growth and boosts immune response (F....)
  6. 11. Immunity where your body produces its own response after infection or vaccination (2 words)
  7. 12. Proteins made by B cells that bind to specific antigens
Down
  1. 1. Third line of defense; specific and has memory (2 words)
  2. 2. A foreign substance that triggers an immune response
  3. 3. Immunity gained by receiving antibodies from another source (2 words)
  4. 6. White blood cells that produce antibodies (2 words)
  5. 7. First time the immune system responds to an antigen; slow and weak (2 words)