GENERAL HISTOLOGY

Detailed explanation-1: -The lymph nodes monitor the lymph flowing into them and produce cells and antibodies which protect our body from infection and disease.

Detailed explanation-2: -The correct answer is (c) Lymph nodes are the only lymphoid organs with afferent and efferent lymphatic vessels.

Detailed explanation-3: -The primary function of lymph nodes is the filtering of lymph to identify and fight infection. In order to do this, lymph nodes contain lymphocytes, a type of white blood cell, which includes B cells and T cells. These circulate through the bloodstream and enter and reside in lymph nodes. B cells produce antibodies.