The answer depends on what the system controls.
When MBR fails then the operating system will not load.
If your digestive system fails you will suffer and possibly die from malnutrition.
You die.
you will get water hammer in the system
You die. ?
All the sytems will fail and you will die
That person becomes infertile.
when circulatory system fails to work, colour change and temperature change happens, its an immediate effect. u can check it by tieing a rubberband in your finger tip.
You become a vegetable that can think. Nothing else would work.
Death will ensue rapidly (often just 4-5 minutes).
You will obviously die. Cardiovascular is a medical term for heart and if that fails, you will be dead.
Depends on how you define "fails". If a body has no skeletal system, it's pretty much just a bag of jelly because everything else in the body is soft and holds no firm shape.