Fact 1: The vomiting reflex is used to remove toxic material from the stomach before it is absorbed.

Fact 2: Vomiting is a reflex controlled by a vomiting center in the brain.

Given the two facts above, answer the question "what is the throwing up center of the brain used for?" with the following options: 
- 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    