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.
Make intitial enquiries about the missing person. If you have concerns for a New Zealand citizen's whereabouts overseas you should make enquiries to: 1  establish contact with family, friends and travelling companions to find out if anyone has had any contact with, or has heard from, the missing person.