Immune System — definition?
Network defending against pathogens.
Immune System — function?
Defends body using innate and adaptive responses.
Innate Immunity — components?
Physical barriers, phagocytes, NK cells, complement.
Pathogen — definition?
Microorganism causing disease.
Adaptive Immunity — elements?
B cells, T cells, memory, MHC molecules.
Antigen — role?
Triggers immune response.
Innate Immunity — components?
Physical, chemical barriers, immune cells.
Adaptive Immunity — components?
Lymphocytes: B and T cells.
Lymphatic System — role?
Transports lymph, filters pathogens, activates immunity.
Antigen Presentation — process?
Display of antigens to immune cells.
Test your knowledge with 9 questions on Fundamentals of the Immune System.
1. What is the lymphatic system?
2. What is the primary role of antigen in the immune system?
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