Across
- 4. a disease in which the airways of the lungs narrow
- 5. Any microorganism which causes disease
- 9. third line of defense, the body produces immune cells to fight disease
- 11. white blood cells! there are two types
- 13. a reaction caused when the immune system is overly sensitive
- 14. a chemical that kills bacteria or slows their growth
- 19. the second line of defense, causes inflammation
Down
- 1. molecules that the body uses to recognize anything as part of your body or foreign
- 2. A condition where the body produced too little insulin or cannot process it properly
- 3. weakened or killed pathogens that trigger the immune response and help build immunity
- 6. a lymphocyte which identifies pathogens, and can distinguish one pathogen from another
- 7. the body's ability to destroy pathogens before they cause disease
- 8. A chemical that is responsible for the symptoms of allergies
- 10. The type of protection where antibodies are given to a person, but the person can't make them themselves
- 12. A chemical which is produced by some pathogens and can affect cells
- 15. a substance that enables the body to take glucose from blood
- 16. reaction where the body can produce its own antibodies to fight disease
- 17. anything that causes an allergy
- 18. White blood cell which engulfs pathogens