Immunology

6. A type of white blood cell that engulfs and digests pathogens.
7. A substance that enhances the body's immune response.
8. This immune cell is responsible for killing virus-infected cells.
11. Type of immunity that is acquired through vaccination.
12. A condition where the immune system mistakenly attacks the body's own cells.
15. The primary organ for the development of T cells.
17. The type of immunity passed from mother to baby through breast milk.
18. The process of intentionally exposing the immune system to a weakened or inactivated pathogen.
19. This immune cell orchestrates the immune response and activates other immune cells.

1. A type of vaccine that contains inactivated or weakened pathogens.
2. The process by which pathogens or damaged cells are engulfed and broken down.
3. Protein molecules produced by the immune system to neutralize pathogens.
4. The process of immune cells recognizing and destroying abnormal cells.
5. Small proteins released by cells to regulate the immune response.
9. The system of organs and cells responsible for protecting the body from foreign invaders.
10. These cells are responsible for antibody production.
11. A foreign substance that triggers an immune response.
13. The body's first line of defense against pathogens.
14. The class of antibodies that is most abundant in the bloodstream.
16. What is the protective response of the immune system to an antigen?