Explain a function for each of the types of T cells (TH, Tc, TR).

Give ONE example of how a defect in a T Reg cell could lead to an immunological disorder or disease.

What is the origin of the phagocytes andlymphocytes active in the immune response? Track thematuration of B cells and T cells.

Once the antigen presenting cell delivers the message about the identity of the specific pathogen to the adaptive immune system, what is the mechanism of lymphocyte activation to make sure lymphocytes target that specific pathogen or toxin (Specificity)? Why does this process create a slow response during the first exposure of a pathogen?