immunity

3. immunity that develops when the body's immune system is exposed to a pathogen and produces antibodies against it is ___
4. a way of protecting you against harmful diseases, before you come into contact with them
8. A type of white blood cell that stimulates the action of other immune system cells
9. immunity that is acquired through external interventions is _____
11. T lymphocytes or
13. this line of defense is immune cells that target specific antigens
14. 11-16
15. A type of immune cell that is made in the bone marrow and is found in the blood and in lymph tissue
16. B Lymphocytes or
17. line of defence made of a group of cells, tissues and organs that work together to protect the body
18. proteins produced by the immune system that recognize and neutralize antigens
19. the line of defense that protects the body from pathogens
20. a type of blood cell that plays a crucial role in the body's immune system

1. white blood cells engulf and destroy foreign particles
2. Signaling molecules that regulate immune responses
5. network of cells, tissues, and organs that works to protect the body from infection and disease
6. protection you develop when your body fights off an infection
7. immunity where a person receives pre-made antibodies from another source, rather than producing them themselves is ___
10. resistance the ability of bacteria and other microorganisms to withstand the effects of antibiotics
12. a physiological response to an infection or other underlying medical condition