Final answer:
The spleen is considered to have the largest mass of lymphatic tissue in the body. It is a major secondary lymphoid organ that filters the blood and functions as the location of immune responses to blood-borne pathogens.
Step-by-step explanation:
The spleen is considered to have the largest mass of lymphatic tissue in the body. It is a major secondary lymphoid organ that functions as the location of immune responses to blood-borne pathogens. The spleen filters the blood, removing unwanted red blood cells, and contains specialized cells that remove microbes and other materials from the blood.