Itâs the usual cause of heart attacks, strokes, and peripheral vascular disease-- what together are called cardiovascular disease. How does atherosclerosis develop? Who gets it, and why? This deadly process is preventable and treatable. Causes
Organs of the Immune System. The major organs of the immune system are bone marrow, thymus, spleen and lymph nodes. These organs produce lymphocytes required to destroy bacteria, virus, tumor cells, etc.This article dwells on these major immune system organs that protect the human body from infections.-Cells: The main function of T-cells or T lymphocytes is intensifying immune system responses. They do this by secreting specialized factors, which in turn activate other white blood cells, to fight off infections. T-cells are again subdivided into different types.
The lymphatic system consists of the lymphoid organs, which are spread throughout the body. These are the bone marrow, thymus, lymphatic vessels, lymph nodes, and spleen, as well as the adenoids and tonsils. The lymphatic system and lymphoid organs get their name because they are concerned with the growth, development, and deployment of lymphocytes, white blood cells that are key to the immune system. Bone marrow is the soft tissue in the center of all the bones in the body. It produces both red and white blood cells.