Immune system

immune system  Immune system Illnesses, deficiencies and disorders of the immune system Allergies Learn more about allergies and their symptoms and treatments · Anaphylaxis  Immunity and the Immune System Read the latest medical research on immune response, immune deficiency, immune system diseases and immune system boosters

The immune system responds to antigens by producing cells that directly attack the pathogen, or by producing special proteins called antibodies Antibodies The immune system is made up of antibodies, white blood cells, and other chemicals and proteins that attack and destroy substances such as bacteria and viruses

The immune system is comprised of an intricate network of lymphoid and nonlymphoid cells communicating via molecular messengers to provide surveillance against 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