are all the parts of the brain equal in size if they are not why is that?

Question: are all the parts of the brain equal in size if they are not why is that?
- Keywords:
  brain,
  neuroscience,
  organ
Asked by phoebe123 to Rebecca on 22 Jun 2015.
- Rebecca Dewey answered on 22 Jun 2015:
  
  No they are not- some parts of the brain have more complicated jobs to do or more difficult jobs to do or just are needed more often!

Question: are all the parts of the brain equal in size if they are not why is that?