what are the main functions of the spleen
The spleen serves two major functions in the body: 1. It is responsible for the destruction of old red blood cells (RBC), 2. It is a major site for mounting the immune response.The spleen behaves similar to a lymph node but instead of filtering the lymphatic fluid it filters the blood.t is responsible for the destruction of old red blood cells (RBC), 2. It is a major site for mounting the immune response. The spleen behaves similar to a lymph node but instead of filtering the lymphatic fluid it filters the blood.