Immunity

3. blood protein produced by B plasma cells
6. main class of antibody produced to fight against bacterial infection.
7. process of cloning of B cells, stimulated by helper T cells
8. type of cytokine released by cells during an allergic response.
10. blood cell
14. lymphocyte able to bind to certain tumor cells and virus-infected cells without the stimulation of antigens, and kill them.
17. infective agent that typically consists of a nucleic acid molecule in a protein coat
19. the gastrointestinal tract; a component of innate immunity
20. bacterium, virus, or other microorganism that can cause disease
21. lining parts of the respiratory tract; a component of innate immunity

1. group of highly polymorphic genes whose products appear on the surface of cells imparting the property of self
2. glycoprotein that is found primarily on the surface of helper T cells
4. most abundant type of white blood cell which contains granules of digestive enzymes.
5. immune system includes the physical barriers to pathogen entry into the body as well as the non-specific cellular and chemical responses
9. of the adaptive immune system which involves recognition of previously encountered pathogens and a faster, bigger response
11. substance that induces an immune response in the body
12. infectious type of prokaryote
13. barrier against pathogens
15. in the body where T cells originate
16. substances secreted by certain cells of the immune system and having an effect on other cells.
18. ____ immune system protects the body through specific cellular responses and has memory