Cerebrum (also called the cerebral cortex) gives us our personality and intelligence CereBELLum keeps us balanced and controls coordination (the way I remember this is that BELLe from beauty and the beast is balanced and coordinated as she dances at the ball with the beast)Medulla controls our heart and breathing rates Hypothalamus regulates our endocrine system so all of our hormones needed to regulate temperature and how much fluid we keep in our bodies