The lymphatic system is used to remove toxins from the body and fight infection. This system is made up of a group of organs, lymph nodes, lymph ducts, and lymph vessels that make and move lymph from tissues to the bloodstream. Lymph is a fluid made out of white blood cells that attack invaders in the body and it also contains proteins and fats. Lymph nodes produce immune cells that help to fight infection and filter lymph fluid. This system also includes the tonsils, adenoids, spleen, and thymus.