Immune system

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Across
  1. 2. an organism that causes diseases
  2. 3. disk shaped cell without a nucleus, involved in clotting
  3. 4. A disease caused by microorganisms that invade tissue
  4. 5. a large y-shapeed protein produced mainly by plasma cells
  5. 9. reproduce by fission or forming spores single cell microorganisms
  6. 11. largest lymphatic organ, produces lymphocytes and plasmids
  7. 12. stimulates an immune response against an antigen
Down
  1. 1. fight infections throughout the body from invading microorganisms or foreign particles
  2. 6. become large or rounder in size, typically as a result of an accumulation of fluid
  3. 7. a solution that contains a harmless version of a certain virus
  4. 8. abnormally high body temp.
  5. 10. resistance to a certain pathogen