IMMUNOLOGY

Detailed explanation-1: -There are two main types of lymphocytes: B cells and T cells. The B cells produce antibodies that are used to attack invading bacteria, viruses, and toxins. The T cells destroy the body’s own cells that have themselves been taken over by viruses or become cancerous.

Detailed explanation-2: -Lymphocytes are a type of white blood cell (Leukocytes). Lymphocytes are involved in adaptive immunity. The B lymphocytes are responsible for humoral immunity and T lymphocytes are required for cell-mediated immunity. The natural killer cell functions in cytotoxic innate and cell-mediated immunity.