Immune system

3. which the body is given immunity to a disease by intentional exposure to small quantities of it
4. a type of cell within the body capable of engulfing and absorbing bacteria and other small cells and particles
6. a lymphocyte not processed by the thymus gland, and responsible for producing antibodies
7. managerial and is responsible for oversight of the doers
8. cells that fight infection and other diseases
13. a lymphocyte of a type produced or processed by the thymus gland and actively participating in the immune response
14. A type of white blood cell that surrounds and kills microorganisms removes dead cells and stimulates the action of other immune system cells
16. complex network of cells, tissues, organs, and the substances they make that helps the body fight infections and other diseases
17. A cell that is part of the immune system and helps the body fight infections and other diseases
18. happens when germs like bacteria and fungi develop the ability to defeat the drugs designed to kill them
19. the first or most important method to be used in dealing with a problem

1. a form of small leukocyte (white blood cell) with a single round nucleus, occurring especially in the lymphatic system
2. when a person receives antibodies to a disease or toxin rather than making them through his or her own immune system
3. results when exposure to a disease organism triggers the immune system to produce antibodies to that disease
5. an abdominal organ involved in the production and removal of blood cells in most vertebrates and forming part of the immune system
9. The soft, spongy tissue that has many blood vessels and is found in the center of most bones
10. a blood protein produced in response to and counteracting a specific antigen. Antibodies combine chemically with substances which the body recognizes as alien, such as bacteria, viruses, and foreign substances in the blood
11. the antibody protection your body creates against a germ once you've been infected with it
12. known as the immune response
15. treatment with a vaccine to produce immunity against a disease