The Immune System

4. A type of white blood cell.
5. A type of white blood cell that surrounds, kills, removes dead cells, ect.
8. Any kinds of cells normally found circulating in the blood.
10. A mean by which the body is given immunity to a disease by intentional exposure to small quantities of it.
12. A protein made by plasma cells in response to an antigen.
13. Physical and chemical barriers that are always ready and prepared to defend the body from infection.
14. Protects the body from outside invaders.
15. Aims to eliminate specific pathogens that have previously been introduced to the immune system.
17. A method by which a virus can replicate it's DNA using a host cell.
18. Hijacks the host's cellular machinery to make new copies of a virus.
19. Whenever bacteria/fungi develop the ability to defeat the drugs designed to kill them.
20. Medicines made to fight disease and infection.
21. Naturally existing immunity.

1. Provided when a person is given antibodies to a disease rather than their own immune system.
2. Risk management and compliance.
3. Results when exposure to a disease organism triggers the immune system to produce antibodies to that disease.
6. A type of white blood cell that makes antibodies.
7. A very simple microorganism that infects cells and may cause disease.
9. Any substance that cause the body to make an immune response against the substance.
11. Cells part of the immune system that work together to fight disease and infection.
16. Introducing a tiny bit of a disease to the body to build immunity to it.