Across
- 3. /a chemical that is responsible for the symptoms of an allergy (watery eyes, sneezing)
- 4. cell /a lymphocyte that produces chemicals to destroy a specific kind of pathogen
- 5. cell /cells that identify pathogens and distinguish one from another
- 8. /a heating process used to kill microorganisms in food such as milk and yogurt
- 10. immunity /the immunity in which the antibodies that fight disease come from another organism rather than your own body
- 11. immunity /immunity that occurs when a persons immune system produces antibodies in response to the presence of a pathogen
- 14. /a molecule on a cell that the immune system can recognize as part the body or coming from outside the body
- 15. /the body’s ability to destroy pathogens before they cause disease
- 16. /a white blood cell that engulfs pathogens and destroys them by breaking them down
- 17. /a tiny organism that causes disease
- 19. /a disorder in which the immune system is overly sensitive to a foreign substance- something not found in the body
Down
- 1. /a chemical that kills bacteria or slows the growth without harming body cells
- 2. disease /a disease that can be passed from one organism to another
- 6. /the process by which harmless antigens are deliberately produced to a person’s body to produce active immunity
- 7. /a substance used in a vaccination that consists of pathogens that have been weakened or killed but can still trigger the immune system into action
- 9. response /the body’s response to pathogen in which fluid and white blood cells leak from blood vessels
- 12. response /the third line of defense in which the immune system reacts to each pathogen with a specific defense for that pathogen
- 13. /a white blood cell that reacts to each pathogen with a specific response
- 14. /a chemical produced by a B cell that destroys a specific kind of pathogen
- 18. /any substance that causes an allergy (pollen, dust mites)