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.
Immune and Lymphatic Systems. The immune and lymphatic systems are two closely related organ systems that share several organs and physiological functions. The immune system is our bodyâs defense system against infectious pathogenic viruses, bacteria, and fungi as well as parasitic animals and protists.