The immune system explained

immune system  The immune system is a network of biological systems that protects an organism from diseases It detects and responds to a wide variety of pathogens, 70% of the immune system is located in the gut, where diverse bacteria is best

All animals possess a primitive system of defense against the pathogens to which they are susceptible This defense is called innate, or natural, immunity and Organs and tissues Organs and tissues important to the proper functioning of the immune system include the thymus and bone marrow, lymph nodes and vessels,

Autoimmune disease · Type 1 diabetes The immune system attacks the cells in the pancreas that make insulin · Rheumatoid arthritis This type of arthritis Components of the Immune System The immune system has many components: Antibodies are proteins that are produced by white blood cells called