examples of immune system disorder
Disorders of the Immune System. Your immune system is your body's defense against infections and other harmful invaders. Without it, illnesses from bacteria or viruses, for example, would be constant. Your immune system is made up of special cells, tissues, and organs that work together to protect you.hree common autoimmune diseases are: Type 1 diabetes. In this type of diabetes, the immune system attacks the cells in the pancreas that make insulin. Insulin removes sugar from the blood to use as energy. . Rheumatoid arthritis.
Normally the immune system's white blood cells help protect the body from harmful substances, called antigens. Examples of antigens include bacteria, viruses, toxins, cancer cells, and blood or tissues from another person or species.The immune system produces antibodies that destroy these harmful substances.ormally the immune system's white blood cells help protect the body from harmful substances, called antigens. Examples of antigens include bacteria, viruses, toxins, cancer cells, and blood or tissues from another person or species.