The Lymphatic and Immune System

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Across
  1. 1. disease that can be known with a butterfly rash
  2. 2. a component that makes up the central lymphoid tissue
  3. 4. largest organ in the lymphatic system
  4. 5. something foreign in the body
  5. 6. type of cell that engulfs and absorbs bacteria and other small cells
  6. 9. color cells that seek out and destroy harmful organisms
  7. 12. protects body from abnormal organisms
  8. 15. another word for antibodies
  9. 16. any substance capable of causing an allergic reaction
  10. 18. infection usually caused by the Epstein-Barr virus
Down
  1. 1. the bodies secondary circulation system
  2. 3. vessels that bring the lymph into the node
  3. 4. known as primitive cells
  4. 7. main organ of the lymphatic system
  5. 8. swelling that occurs in arms and/or legs
  6. 10. attack invaders outside the cells
  7. 11. gene that can transform a healthy cell into a tumor cell
  8. 13. attack invaders inside the cells
  9. 14. final stage of HIV infection (not everyone advances to this stage)
  10. 17. organ essential for storing special cells and trapping cancer cells