Question

Distinguish between primary lymphoid organs and secondary lymphoid organs.

Answer 1

Primary lymphatic organs are where lymphocytes are formed and mature. They provide an environment for stem cells to divide and mature into B- and T- cells.whereas Secondary lymphoid tissues are arranged as a series of filters monitoring the contents of the extracellular fluids, i.e. lymph, tissue fluid and blood. The lymphoid tissue filtering each of these fluids is arranged in different ways. Secondary lymphoid tissues are also where lymphocytes are activated.

Answer 2

Answer:

Explanation:

Because of their roles in the production of B and T cells, the thymus and bone marrow are considered primary lymphoid organs. Secondary lymphoid organs include lymph nodes and spleen, which filter lymph and blood, respectively, and where naïve B and T cells are introduced to antigens.