Immune System
Across
- 3. ____ immunity (B cells) is provided by antibodies
- 4. abnormally high body temperature
- 5. the _____ pathway is spontaneously activated
- 7. promotes killing pathogens by free radicals and oxidizing chemicals
- 8. causes local hyperemia, accounts for the redness and heat of an inflamed region
- 10. the most important ______ proteins are interferons and complement proteins
- 13. the strongest antigens are
- 15. provide handles to which phagocytes receptors can bind
- 17. the most abundant antibody in plasma
- 18. ___ cells kill cancer cells and virus infected cells before the adaptive immune system is activated
- 20. neutrophils flatten and squeeze out of capillaries
- 23. the most abundant type of white blood cell
- 27. these are formed in response to antigens
- 31. walled off sac of puss
- 33. phagosome that fuses with a lysosome
- 34. neutrophils cling to the capillary wall during
- 35. nonspecific response to tissue injury that prevents the spread of damaging agents and alerts the adaptive immune system
- 36. the ability to react with the activated lymphocytes and the antibodies released by immunogenic reaction
- 37. substances that trigger the body's adaptive defenses
Down
- 1. harmful or disease-causing microorganisms
- 2. ____ immunity (t cells) uses lymphocytes to defend the body
- 6. where do lymphocytes originate
- 9. defense system that is specific and takes longer
- 11. mediators that influence cell development, differentiation, and responses in the immune system
- 12. inflammation is a _____ response to infection
- 14. the proteins enhance the effectiveness of both innate and adaptive defenses
- 16. ___ cells are found at the bodies frontiers and are very efficient antigen catchers
- 19. lack the cellular machinery to generate energy or synthesize
- 21. act as the first line of defense
- 22. water-soluble protein molecules that the innate immune system produces to recognize foreign invaders
- 24. defense system that is nonspecific and quick
- 25. help protect cells that have no yet been infected
- 26. the ability to stimulate specific lymphocytes to proliferate
- 28. soon after inflammation begins, ____ flood the damaged area
- 29. mixture of dead or dying neutrophils, broken-down tissue cells, and living and dead pathogens
- 30. derive from monocytes, can leave blood stream, search for foreign invaders
- 32. resistance to disease