Immune System

1. disorders caused by bacteria and viruses.
5. a disorder that disrupts normal metabolism.
7. a type of B lymphocyte that forms part of the adaptive immune system.
8. a type of white blood cell.
10. a vessel or cavity in which a body fluid is stored.
11. a protein released by animal cells, which also inhibiting virus replication.
14. white blood cells that create antibodies.
15. when a disease affects the world population.
18. a medicine that inhibits growth of bacteria or microrganisms.
20. type of cell that kills certain cells, including cancer cells and cells infected with a virus.
21. a disease in which the immune system makes an inflammatory response to something harmless that has entered the body.

2. A disease in which the structure of the affected tissues worsens over time.
3. a substance that is made in response to the detection of a foreign material in the body and that participates in a complement reaction.
4. when someone is protected from disease by vaccination.
6. type of white blood cell that acts as the mediator of immune function
9. severe allergic reaction, when someone blood pressure drops so far down that not enough oxygen is getting to the cells.
12. a widespread occurrence of a disease.
13. proteins that are made in the response to infection.
16. large blood cells that play a big part in protecting its vessel from foreign bacteria and microorganisms.
17. a type of bacteria that can cause a disease.
19. a disease caused by the uncontrollable division of abnormal cells in the affected body part.