Immune system

4. A toxin or other foreign substance which induces an immune response in the body especially the production of antibodies
8. Lymphocyte no processed by the thymus gland and responsible for producing antibodies
10. naturally existing
11. A method by which a virus can replicate its DNA using a host cell
13. Results when exposed to a disease organisms triggers the immune system to produce antibodies to that disease
14. A complex network of cells,tissues,organs and the substances they make that helps the body fight infections and other diseases
15. Happens when germs like bacteria and fungi develop the ability to defeat the drugs designed to kill them
16. provided when a person is given antibodies to a disease rather than producing them through his or her own immune system
19. physical and chemical barrier that are always ready and prepared to defend the body from infections
20. occurs when a virus has infected a cell, replicated new virus particles and burst

1. aims at eliminating specific pathogens that have been encountered by the immune system previously
2. a medicine that inhabit the growth of or destroys microorganisms
3. Managerial and is responsible for oversight of the doers
5. A form of small leukocyte with a single round nucleus occurring especially in the lymphatic system
6. pat of the immune system and develop from stem cells in the bone marrow
7. An infective agent that typically consists of a nucleic acid molecule in a protein coat, is to small to be seen by light microscopy, and is able to multiply only within the living cells of a host
9. to produce immunity to a particular infections disease or pathogens
12. A mean by which the body is given immunity to a disease by intentional exposure to small quantities of it
17. A cell that is part of the immune system and helps the body fight infections and other disease
18. A blood protein produced in response to and counteracting a specific antigen. ANtibodies combine chemically with substances