Question

Which immune system cells are attracted to the chemicals secreted by helper T cells? memory cells and B lymphocytes cytotoxic T cells and B lymphocytes macrophages and cytotoxic T cells O cytotoxic T cells and memory cells​

Answer 1

Helper T cells are arguably the most important cells in adaptive immunity, as they are required for almost all adaptive immune responses. They not only help activate B cells to secrete antibodies and macrophages to destroy ingested microbes, but they also help activate cytotoxic T cells to kill infected target cells. As dramatically demonstrated in AIDS patients, without helper T cells we cannot defend ourselves even against many microbes that are normally harmless.

Step-by-step explanation: