Across
- 3. A type of white blood cell that surrounds and kills microorganisms, removes dead cells, and stimulates the action of other immune system cells.
- 6. type of white blood cell in the immune system of most vertebrates.
- 7. cells tailor-made to get rid of the specific microorganisms that have invaded your tissue.
- 8. A cell that is part of the immune system and helps the body fight infections and other diseases.
- 9. A type of white blood cell that makes antibodies.
- 12. A type of immune cell that can surround and kill microorganisms, ingest foreign material, and remove dead cells.
- 13. A complex network of cells, tissues, organs, and the substances they make that helps the body fight infections and other diseases.
- 14. a group of cells, tissues and organs that work together to protect the body.
- 15. happens when germs like bacteria and fungi develop the ability to defeat the drugs designed to kill them
- 17. acquired from exposure to the disease organism through infection with the actual disease.
- 18. a method by which a virus can replicate its DNA using a host cell
- 19. A drug used to treat infections caused by bacteria and other microorganisms.
- 20. a mean by which the body is given immunity to a disease by intentional exposure to small quantities of it
Down
- 1. physical and chemical barriers that are always ready and prepared to defend the body from infection.
- 2. submicroscopic infectious agent that replicates only inside the living cells of an organism.
- 4. Any substance that causes the body to make an immune response against that substance.
- 5. The act of introducing a vaccine into the body to produce protection from a specific disease.
- 10. provided when a person is given antibodies to a disease rather than producing them through his or her own immune system.
- 11. results when exposure to a disease organism triggers the immune system to produce antibodies to that disease.
- 16. are part of the immune system and develop from stem cells in the bone marrow.