Immune System

2. a type of white blood cell that makes antibodies.
6. cells tailor-made to get rid of the specific microorganisms that have invaded your tissue.
9. a type of immune cell that is made in the bone marrow and is found in the blood and in lymph tissue.
13. when the body is given immunity to a disease by intentional exposure to small quantities of it.
15. physical and chemical barriers that are always ready and prepared to defend the body from infection.
16. acquired from exposure to the disease organism through infection with the actual disease.
17. a drug used to treat infections caused by bacteria and other microorganisms.
18. a complex network of cells, tissues, organs, and the substances they make that helps the body fight infections and other diseases.
19. a type of blood cell that is made in the bone marrow and found in the blood and lymph tissue.
20. a protein made by plasma cells (a type of white blood cell) in response to an antigen.

1. results when exposure to a disease organism triggers the immune system to produce antibodies to that disease.
3. the act of introducing a vaccine into the body to produce protection from a specific disease.
4. a type of white blood cell that surrounds and kills microorganisms, removes dead cells, and stimulates the action of other immune system cells.
5. happens when germs like bacteria and fungi develop the ability to defeat the drugs designed to kill them.
7. a group of cells, tissues and organs that work together to protect the body.
8. a type of immune cell that can surround and kill microorganisms, ingest foreign material, and remove dead cells.
10. occurs when we are protected from a pathogen by immunity gained from someone else.
11. a type of white blood cell.
12. any substance that causes the body to make an immune response against that substance.
14. a cell that is part of the immune system and helps the body fight infections and other diseases.