Your spleen might not get the glory of organs like your heart or brain, but its contributions to your immune system are ...

The spleen is a fist-sized organ located in the upper left abdomen. As part of the lymphatic system, it helps filter blood and eliminate old blood cells. It also produces lymphocytes, which are ...

It's an important part of your lymphatic system and plays a role in immunity. Your spleen filters blood, removes old or damaged red blood cells, and produces white blood cells to help fight ...