A) hormones
B) lymph
C) antigens
D) antibodies
Correct Answer: D
Solution :
Lymph nodes are small aggregates of cells, which are located at functions of many lymph vessels. Cells of these nodes. (i) Produce lymphocytes (ii) Filter out the cells debris and other insert (iii) paniculate materials from the lymph. (iv) Phagocytize and destroy bacteria and
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