immune system

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Across
  1. 2. viruses, or other harmful toxins
  2. 3. protein molecule in the blood serum or other body fluids that destroys or neutralizes
  3. 7. large cells that ingest
  4. 8. One of the white blood cells called granulocytes, filled with granules of toxic chemicals
  5. 9. Any infectious disease capable of being transmitted
  6. 11. cells that are essential for clotting
Down
  1. 1. blood
  2. 3. substance that antagonizes or stimulates the immune system to produce
  3. 4. can digest microorganisms.
  4. 5. white blood cells that resides in the lymphoid organ
  5. 6. programmed cell suicide
  6. 10. resistance to a specific disease