immunity

2. germs that infect you leading to sickness
6. medicines that fight bacterial infections in people and animals
7. a toxin or other foreign substance which induces an immune response in the body
8. cells that develop from stem cells in bone marrow
12. cells develop from stem cells in the bone marrow and become different types of white blood cells
13. cells that help fight infections
15. being resistant to particular infections
17. immunity someone is infected with the disease
18. line of defense the innate immune system
20. proteins that protect you when an unwanted substance enters your body
21. cells that form antibodies

1. the act of introducing a vaccine into the body to produce protection from a specific disease
3. immune system- the cells and proteins that defend the body against infection
4. immunity the body is given immunity to a disease by intentionally exposing to small quantities of it
5. cell within the body capable of engulfing and absorbing bacteria and other small cells and particles.
9. important component of the first-line defense against pathogens and tumor cells
10. one of two cycles that a virus can use to reproduce inside a host cell
11. happens when germ like bacteria and fungi develop the ability to defeat drugs designed to kill them
14. cycle that involves the incorporation of the viral genome into the host cell genome, infecting it from within
16. line of defense nonspecific resistance that destroys invaders in a generalized way without targeting specific individuals
19. line of defense immune cells that target specific antigens