The answer is B) Chromosomes
Answer and Explanation:
The lymph node are the sites for the formation of lymphocytes and monocytes. These are concerned with antibody formation and phagocytosis of foreign materials respectively. In the lymph nodes, bacteria and other harmful materials are removed from lymph.
Although now it causes more harm than good because it doesn't really have a purpose, it is believed it once was used for humans to digest bone.
