Across
- 2. immunity that results from ether having a disease or from receiving a vaccine
- 7. An illness that passes from one organism to another
- 10. An epidemic that has grown world-wide, affecting many continents
- 11. A type of pathogen that is living and can be treated using antibiotics
- 13. (physical & Chemical Barriers) This line of defense is your skin, mucous membranes, cilia, tears, saliva, digestive system
- 14. turn off the immune response once the immune system has controlled the infection
- 18. Microorganisms or germs that cause infectious disease when they enter your body and multiply
- 19. your body's ability to destroy pathogens that it has previously encountered before the pathogens are able to cause disease
- 20. This line of defense is inflammation and accumulation of fluids at the site of an infection that leads to heat, redness and swelling. Cells involved include Phagocytes that engulf pathogens.
Down
- 1. destroy body cells that are infected or damaged by pathogens
- 3. fights disease by producing a separate set of weapons for each kind of pathogen it encounters
- 4. white blood cells that produce custom made antibodies against invading pathogens
- 5. This line of defense is the immune system. T Cells, B Cells, and Antibodies
- 6. white blood cells that search for pathogens stimulate B cells to fight produce antibodies
- 8. organisms that are so small that they can only be viewed using a microscope
- 9. A nonliving pathogen that uses your own body cells to multiply.
- 10. immunity acquired by receiving antibodies from a source other than one's own immune system
- 12. Produced by B cells, protein markers that attach to the surface of pathogens and render them harmless
- 15. white blood cells that engulfs and destroy pathogens
- 16. an unusually high occurrence of a disease in a certain place during a certain time period
- 17. another name for "infectious" disease