After maturation the lymphocytes migrate to secondary lymphoid organs like spleen, lymph nodes, tonsils, Peyer's patches of small intestine and appendix. The secondary lymphoid organs provide the sites for interaction of lymphocytes with the antigen, which then proliferate to become effector cells. The location of various lymphoid organs in the human body
Which of the following is a secondary lymphoid organ?
Correct answer: A — A Spleen
Spleen is a secondary organ where lymphocytes encounter antigens.
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