Across
- 4. White blood cell that protects the body from reinfection by a specific pathogen
- 7. Stimulates an immune response against an antigen
- 10. Resistance to a certain pathogen
- 11. Initiate chemical response
- 12. Has fought off invading pathogens and prevents spread of cancer
- 15. Cause body temp to increase which prevents bacteria from multiplying
- 17. A protein component of the immune system that circulates in the blood, recognizes foreign substances like bacteria and viruses, and neutralizes them.
- 18. Cell that engulfs large particles or whole cells
- 19. Produces antibodies in response to antigens
- 20. Reside in your blood and tissues to find and destroy germs and eliminate infected cells.
- 21. Attack pathogen-infected cells and cancer cells
- 22. Filter lymph for bacteria and tumor cells
Down
- 1. Fluid found in the lymphatic system
- 2. Largest lymphatic organ; disintegrates old red blood cells, produces lymphocytes and plasmids
- 3. Kill pathogens by puncturing cell membrane
- 4. Line the body cavities
- 5. Solution contains a harmless version of a virus, bacterium or toxin that causes an immune response when introduced into the body.
- 6. A series of one-way vessels;carry intercellular fluid from tissues to bloodstream
- 7. Lymphatic tissue near the back of the throat
- 8. Resulting in redness,swelling,warmth and pain
- 9. A substance that stimulates an immune response
- 13. Capture invading microorganisms, through phagocytosis and degradation
- 14. Shut down the system
- 16. An organism that causes disease
