what do spleen do in the immune system
The spleen plays multiple supporting roles in the body. It acts as a filter for blood as part of the immune system. Old red blood cells are recycled in the spleen, and platelets and white blood cells are stored there.The spleen also helps fight certain kinds of bacteria that cause pneumonia and meningitis.he spleen is an organ in the upper far left part of the abdomen, to the left of the stomach. The spleen varies in size and shape between people, but itâs commonly fist-shaped, purple, and about 4 inches long. Because the spleen is protected by the rib cage, you canât easily feel it unless itâs abnormally enlarged.
It is also an important organ in the immune system, producing the white blood cells that fight infection and synthesize antibodies. Although the spleen is important for many functions in the body, the spleen is not vital to survival and it is possible to live without a spleen.Without the spleen, other organs in the body (particularly the liver) adapt and increase their ability to fight infection and remove redundant red blood cells.natomy and function of the spleen. The spleen is located in the left upper quarter of the abdomen, beneath the ninth to the twelfth rib. In healthy adults, the organ measures around 10 to 12 centimetres in length and weighs around 150 to 200 grams.