Immune System

4. type of cell that kills certain cells, including cancer cells and cells infected with a virus.
5. a type of B lymphocyte that forms part of the adaptive immune system.
6. severe allergic reaction, when someone blood pressure drops so far down that not enough oxygen is getting to the cells.
8. a substance that is made in response to the detection of a foreign material in the body and that participates in a complement reaction.
10. a type of bacteria that can cause a disease.
11. white blood cells that create antibodies.
14. a vessel or cavity in which a body fluid is stored.
15. a protein released by animal cells, which also inhibiting virus replication.
16. when someone is protected from disease by vaccination.
17. disorders caused by bacteria and viruses.
19. a widespread occurrence of a disease.

1. A disease in which the structure of the affected tissues worsens over time.
2. a type of white blood cell.
3. a disease in which the immune system makes an inflammatory response to something harmless that has entered the body.
7. when a disease affects the world population.
8. a disease caused by the uncontrollable division of abnormal cells in the affected body part.
9. a disorder that disrupts normal metabolism.
12. a medicine that inhibits growth of bacteria or microrganisms.
13. type of white blood cell that acts as the mediator of immune function
18. proteins that are made in the response to infection.