What part of the brain is the most important and if harmed can be most critical

Question: What part of the brain is the most important and if harmed can be most critical
- Keywords:
  brain,
  harm
Asked by kiwi to Rob on 13 Jun 2016.
- Rob Stanley answered on 13 Jun 2016:
  
  I haven’t studied neuroscience (the study of brains) so I don’t know exactly, sorry.
  
  Lots of parts of the brain are crucial and control parts of your body you really don’t want to stop working! It’s also possible to damage your brain so that you lose consciousness but your body stays alive.

Question: What part of the brain is the most important and if harmed can be most critical