The Immune System Crossword

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Across
  1. 5. protein produce by a B-cell or by a plasma cell
  2. 6. phagocytic white blood cells
  3. 7. lymphocytes and monocytes
  4. 8. release histamine and other mediators of inflammation
  5. 10. saliva contains this enzyme that destroys bacteria
  6. 11. active artificially acquired immunity is a result of _____________
  7. 13. type of epithelium found in trachea (two words)
  8. 14. fluids from the eye that act as a mechanical barrier
  9. 15. lymphocytes that develop mature in the thymus (two words)
  10. 16. number of classes of immunoglobulins
Down
  1. 1. anything that provokes an antibody response
  2. 2. _____________ stem cell
  3. 3. largest lymphatic organ
  4. 4. promote apoptosis in virus or tumours cells but do not form memory cells (three words)
  5. 9. ______________ B-cells
  6. 12. one of the major types of immunity