Which of the following coordinates and control immune response?
a) b lymphocytes
b) t lymphocytes
c) antigens
d) antibodies

T lymphocytes.

Explanation:

A T lymphocytes develops from the bone marrow-derived cells that migrate to the thymus that plays a central role in the immune response.They can be distinguished from other lymphocytes  by the presence of a T-cell receptor on the cell surface.The T cells control and shape the immune response.The T Lymphocytes have helper T Cells (Th)  that bear the CD4 molecule that functions by secreting cytokines that act to enhance other immune responses.There are two classes of Th cells and they act on different components of the immune response.The first type is the  Th1 cells  that secretes cytokines that regulate the immunological activity and development of a variety of cells.The second type is the Th2 cells which secrete cytokine  that act on B cells to drive their differentiation into plasma cells that make antibody.

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