How is a body homeostasis affected by illness

Homeostasis is the regulation of the internal environment of the human body to maintain its balance. That means that the temperature should be regulated, blood should be regulated and this is actually very important since through blood many substances are filtered in and out of the body and transported. Ions must be regulated etc. So, in order for that to happen there are certain mechanism. 

Ithink its false. hope this : )