Spleen

The spleen is a vital organ located in the upper left abdomen near the stomach and is an important part of the immune system. It is a soft, spongy organ that is composed of connective tissue and is surrounded by a capsule of tissue. Its function is to filter and store blood and to produce white blood cells, which are important for fighting infection. It also plays a role in the destruction of old or damaged red blood cells and the storage of platelets and other blood cells. The spleen is made up of two main parts: the red pulp and the white pulp. The red pulp is the area that contains specialized cells to filter out bacteria and other foreign particles from the blood. It also contains cells that are important for the production of white blood cells. The white pulp consists of lymphoid tissue, which contains white blood cells and is important for fighting infection. The spleen has a very important role in the body and can be affected by a number of diseases and conditions. It is highly susceptible to infection, inflammation, and even cancer. It can also be damaged by trauma such as a blow to the abdomen.