Answer:
They are neutrophils, eosinophils, basophils, lymphocytes, and monocytes.
Out of these ones the T-cells are responsible for recognizing antigens on the surface.
Explanation:
T cells
Killer T cells
Killer or cytotoxic T cells scan the surface of cells in the body to see if they have become infected with germs, or if they have turned cancerous. If so, they kill these cells.
Helper T cells
Helper T cells "help" other cells in the immune system to start and control the immune response against foreign substances.
Regulatory T cells or Tregs
Tregs control or suppress other cells in the immune system. They have both helpful and harmful effects.
Memory T cells
Natural killer T cells
