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Who has been given credit or developing the double-entry system of bookkeeping?
Memory Lymphocytes
Specialized cells of the immune system that remain in the body after initial exposure to an antigen, enabling a faster and stronger response upon subsequent exposures.
Innate Immunity
The first line of defense in the immune system, comprising physical, chemical, and cellular defenses against pathogens.
NK Cells
Natural Killer cells, a type of white blood cell that plays a critical role in the body's immune response by attacking infected or cancerous cells.
Cytotoxic T Cells
Cytotoxic T cells are a type of white blood cell that can directly kill infected cells or cancer cells by recognizing specific antigens on the cell surface.
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