Across
- 4. tubes distributed throughout the body that absorbs lymph
- 7. a cell attacks the microorganisms
- 10. white blood cells that are engulfed in pathogens and dead cells
- 12. able to respond to the body's own cells and substances recognized
- 14. organ where T cells mature
- 16. tubes that transport lymph throughout the body
- 20. Acts as defense against bacteria and viruses
- 21. immune cells that helps respond to specific pathogens
- 22. organ that filters blood
- 23. a thin connective tissue that forms support for lymphatic organs
- 25. in the wall of the small intense monitoring bacteria
- 27. small protein that binds to a specific antigen
Down
- 1. drains the entire body below the diaphragm
- 2. foreign cells that are recognized and do not belong in body
- 3. cell mediated immunity
- 5. chemical messengers that are released by lymphocytes
- 6. Lymphatic vessels in the small intestine that absorb digested fats
- 8. type of white blood cells
- 9. common antibody in blood plasma that provides long term protection against infection
- 11. outer region of 2 distinct lymph nodes
- 13. filters lymph and trap pathogens
- 15. where blood cells are made
- 17. inner region of an organ
- 18. supplies oxygenated blood to the spleen
- 19. clear fluid that carries white blood cells through the body
- 24. helps destroy and target specific pathogens
- 26. swelling caused by fluid buildup