Miscellaneous Part II Immune System

6. results when exposure to a disease organism triggers the immune system to produce antibodies to that disease
9. happens when germs like bacteria and fungi develop the ability to defeat the drugs designed to kill them.
11. a group of cells, tissues and organs that work together to protect the body
12. A complex network of cells, tissues, organs, and the substances they make that helps the body fight infections and other diseases.
15. A type of white blood cell.
16. A type of white blood cell that surrounds and kills microorganisms, removes dead cells, and stimulates the action of other immune system cells.
17. infectious agent of small size and simple composition that can multiply only in living cells of animals, plants, or bacteria.
18. a method by which a virus can replicate its DNA using a host cell.
19. used to attack invading bacteria, viruses, and toxins.

1. physical and chemical barriers that are always ready and prepared to defend the body from infection.
2. acquired from exposure to the disease organism through infection with the actual disease.
3. A type of immune cell that can surround and kill microorganisms, ingest foreign material, and remove dead cells.
4. The act of introducing a vaccine into the body to produce protection from a specific disease.
5. provided when a person is given antibodies to a disease rather than producing them through his or her own immune system.
7. eliminating specific pathogens that have been encountered by the immune system previously
8. a mean by which the body is given immunity to a disease by intentional exposure to small quantities of it.
9. A drug used to treat infections caused by bacteria and other microorganisms.
10. A type of white blood cell that makes antibodies.
13. Any substance that causes the body to make an immune response against that substance.
14. the reproduction of viruses using a host cell to manufacture more viruses; the viruses then burst out of the cell.