organs that are in the immune system
The immune system, which is made up of special cells, proteins, tissues, and organs, defends people against germs and microorganisms every day.The immune system is a network of cells, tissues, and organs that work together to defend the body against attacks by âforeignâ invaders.Organs of immune system: tonsils and adenoids, lymph nodes, lymphatic vessels, thymus, spleen, appendix and bone marrow.Bone marrow, the soft tissue in the hollow center of bones, is the ultimate source of all blood cells, including lymphocytes.he immune system, which is made up of special cells, proteins, tissues, and organs, defends people against germs and microorganisms every day.