Immunity

4. gained by vaccination.
7. immunity gained by being infected.
10. place where the immune system cells originate from.
11. a substance that is foreign to the body and stimulates an immune response.
14. immunity gained when an antigen enters the body. An immune response occurs and antibodies are produced by plasma cells.
15. stimulate the immune system to response during an infection.
16. They remove dead cells and invasive microorganisms
17. gained by receiving antibodies from the mother across the placenta or breast milk.
18. gained by injecting antibodies.

1. a glycoprotein made by plasma cells derived from b-lymphocytes, secreted in response to an antigen.
2. a lymphocyte that does not secrete antibodies.
3. they are smaller than phagocytes and have an important role in the immune system.
5. immunity gained without an immune response.
6. type of phagocytes Tend to be found in organs such as lungs,liver, spleen, kidney and lymph nodes,rather than remaining in the blood
8. lymphocyes which develop during an immune response and retain the ability to respond quickly when an antigen enters the body on a second ocassion.
9. process by which phagocytes ingest or engulf other cells or particles, such as bacteria.
10. a type of lymphocyte that gives rise to plasma cells and secrete antibodies.
12. type of phagocytes that can squeeze through the capillaries walls to go to the tissues.
13. destroy human cells that are infected with pathogens.