what are the normal functions of the lymph nodes?
Lymph Nodes More Than an Announcer for the Big Game. The lymph nodes are known for being the announcer for serious diseases like cancer and life threatening infections like Methicillin-Resistant Staphylococcus Aureus (MRSA) by becoming enlarged while fighting the disease, illness, or infection. Being an announcer for the body is not the only duty that is part of the responsibility for lymph nodes. Other responsibilities include providing security and maintenance services for the body, which they fulfill by filtering lymph and destroying pathogens.