The most important function of immune system is to defend the body from different disease causing pathogens. Whenever there is pathology in human body, immune system is activated to protect the vital tissues from harm.
The circumstances of their disappearances are all fascinating, and some, sadly, have never been found. One of the more high-profile missing persons cases of 2012 isn't actually a missing persons case at all. Katherine Jackson was reported as missing in late-July of 2012, by her nephew, Trent Jackson.
Part 1 - How to Find ARC's. 1  If you've never received an ARC then finding where to look for them is the hardest part (but will soon be super easy once you've gotten the hang out it). These are only a few ways to get them, but they are also my favorite and the methods I've had the most luck with.