What part of the brain controls breathing and heart rate?
The part of the brain that controls breathing and heart rate is the medulla oblongata. You can learn more about the different parts of the brain and their functions at this site: http://webspace.ship.edu/cgboer/limbicsystem.html.
The brain stem controls the breathing and heart. The brain stem also controls the blood pressure in a persons body.
The brain stem is the part of the brain that controls breathing and heart rate. It attaches the brain to the spinal cord. More information can be found at http://www.ask.com/wiki/Brainstem.