Answer:
B.autoimmune
Note:
Related diseases, which involve any organ or system of our body, the immune system is disoriented, attacking the body itself and the organs it should protect. In type 1 diabetes, the pancreas can not produce insulin, pancreatic cells are destroyed by rejection of the body, as the immune system attacks and destroys healthy tissues of the body, causing thirst, weight loss, frequent urination, blurred vision and cramps.
