Immune System Components — key organs?
Lymph nodes, spleen, thymus, bone marrow.
Innate Immunity — primary defense?
Physical, chemical barriers, and phagocytes.
Adaptive Immunity — memory feature?
Yes, it forms memory cells for faster response.
Lymphoid organs — types?
Primary and secondary lymphoid organs.
Lymphocytes — role?
Adaptive immunity cells: T, B, NK.
Phagocytes — function?
Engulf and digest pathogens.
APCs — examples?
Dendritic cells, macrophages.
Hematopoiesis — site?
Bone marrow produces immune cells.
Immune surveillance — purpose?
Detects and eliminates abnormal cells.
Innate immunity — timing?
Immediate, non-specific defense.
Answer 10 questions on Fundamentals of Immunology.
1. What is a lymphocyte in the context of the immune system?
2. In which year was the complement system, a key component of innate immunity, first described in scientific literature?
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