Happyword Puzzle

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Across
  1. 2. Immune response against inter-cellular pathogens
  2. 6. Bodies' first line of defense against pathogens
  3. 9. Foreign proteins that initiates antibody production.
  4. 11. Intra-cellular domain recruits this to activate a signaling cascade.
  5. 13. Lymphocytes that produce proteins that help destroy pathogens
  6. 14. Antibody class at the surface of B-Cells
  7. 17. Antigenic determinates.
  8. 18. Cell type that produces and secretes antibodies.
Down
  1. 1. Cell type that consumes foreign pathogens.
  2. 3. Cell multiplication process
  3. 4. One of the places white blood cells are produced.
  4. 5. Cell type that presents antigens on its surface.
  5. 7. System in charge of maintaining healthy bodily functions.
  6. 8. What hit the floor?
  7. 10. Cell type that dilates blood vessels and induces inflammation.
  8. 11. Has helper and killer variants.
  9. 12. "Ants have little ..."
  10. 15. Immune response against extra-cellular pathogens
  11. 16. Proteases triggering programmed cell death.