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 Diseases 194.53 Kb. Autoimmune diseases are a broad range of related diseases in which a personâs immune system produces an inappropriate response against its own cells, tissues and/or organs, resulting in inflammation and damage.There are over 80 different autoimmune diseases, and these range from common to very rare diseases.. Localised (organ specific) - affecting mainly one particular part of the body. 2. Systemic-affecting multiple parts of the body. These categories may overlap, as localised (organ specific) autoimmune disease can affect other parts of the body and some people may have more than one type of autoimmune disease.