If the throwing up center of the brain is used to remove toxic material from the stomach before it is absorbed, then what is the throwing up center of the brain used for?

Answer choices:
- dissolving enzymes
 - repair cells in the human body
 - solving equations
 - keeping food fresh for long periods of time
 - remove toxic material from the stomach before it is absorbed
 - Something that can be converted to kinetic and heat energy by a motor
 - lower the surrounding pressure
 - regulate breathing

 

     remove toxic material from the stomach before it is absorbed     