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Anatomy Lesson 2.1
The Immune System
Term | Definition |
---|---|
pathogen | an organism, a virus, or a protein that causes disease |
immune system | made up of tissues and specialized white blood cells |
macrophage | a white blood cell that destroys pathogens by engulfing them |
T cell | coordinate the body's immune response |
B cell | make antibodies that attach to specific antigens |
antibody | a specialized protein that binds to a specific antigen to tag it for destruction |
immunity | the ability to resist or recover from an infectious disease |
vaccine | a substance prepared from killed or weakened pathogens that is introduced into the body to produce immunity |