the vomiting reflex is used to remove toxic material from the stomach before it is absorbed & something is used for that something 's purpose ->  the purpose of the vomiting reflex is to remove toxic material from the stomach before it is absorbed  the purpose of the vomiting reflex is to remove toxic material from the stomach before it is absorbed & something's purpose is that something's main function -> the main function of the vomiting reflex is to remove toxic material from the stomach before it is absorbed