immune system

2. scientific theory in immunology that explains the functions of cells.
5. immunity that results from the production of antibodies by the immune system.
7. develops when a persons immunie system responds to a foreign substance.
9. a toxin or other foreign substance which induces an immune system response.
11. the action of making a person immune to an infection.
14. human immunodefiency virus.
15. part of the immune system that inhances the ability damaged cells.
16. the death of cells which occure as normal and a controlled part of an organisms growth.
17. a naturally occuring enzyme that is found in body secreations.
19. a protien released by animal cells in response to a virus.
20. your immune system attacks healthy cells.

1. the part of an antigen molecule to which an antibody attacks itself.
3. rare but severe allergic reaction
4. the fundamental buiding block of the bodys computer memory
6. growth factors which are secreted by certain cells of the immune system.
8. occurs when tissues are injured by bacteria.
10. and counteracting a specific antigen.
12. a compound released by cells in response to an injury that helps sooth muscles.
13. a subsystem of the circulatory system for the vessels, tissues and organs.
16. acquired immunity deficient syndrome
18. a blood protien produced in response