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

Fact 2: An overdose can cause vomiting.

Given the two facts above, answer the question "What must be removed from the stomach before it is absorbed?" with the following options: 
- hormones
 - Proteins
 - all liquids
 - bacteria
 - nutrients
 - steroids
 - an overdose
 - Bodily water


 

       an overdose  