The role of active cytotoxic t cells is to attack see concept 43.3 (page) the role of active cytotoxic t cells is to attack see concept 43.3 (page) extracellular viruses and bacteria complement proteins circulating proteins circulating antibodies body cells that have been infected

Body cells that have been infected

Immune system is a complex arrangement of cells that functions as the eliminating system  in the body by reconizing elements that are not safe in the body. A humoral and cellular can be differentiated. The key players of adaptive cellular immune responses are T lymphocytes. The effector cells are the cytotoxic T lymphocytes. These type of cells express t cell receptors that can recognize  an antigen. This will allow them to attach and tag the antigen as a possible threat in the body.

The gens present in the dna in the nucleus of the cell in the body