Armored Personal Carrier. I think the APC is located where you find the Warden Crossbow.
Autoimmune diseases arise from an overactive immune response of the body against substances and tissues normally present in the body. In other words, the body actually attacks its own cells. An immune disorder is when the body cannot defend itself. [ Source: http://www.chacha ....n immune disorder is when the body cannot defend itself. [ Source: http://www.chacha.com/question/what-is-the-difference-between-immune-disorders-and-autoimmune-diseases ]. More Answers to  What is the difference between immune disorders and autoimmune diseases .
Autoimmune hepatitis is a disease that affects two body systems, the liver, which is part of your gastrointestinal system, and your immune system.hile other forms of hepatitis are caused by bacteria or viruses, in autoimmune hepatitis, the immune system itself attacks the liver cells because it cannot distinguish between harmful invaders and healthy liver tissue.