The cell-mediated immunity inside the human body is carried out by
The correct option is A T- lymphocytes Acquired immunity creates an immunological memory after an initial response to a specific type of pathogen and leads to an enhanced response when an encountering with that pathogen.
The acquired immune system includes both humoral immunity component, cell-mediated immunity.
Humoral immunity is mediated by macromolecules found in extracellular fluids such as antibodies. Antibodies are formed by a specific type of cells called B lymphocytes.
Cell-mediated immunity is an immune response that does not involve the antibodies, but rather than involves the activation of antigen-specific T-lymphocytes.