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

Fact 2: Finally, lead is toxic.

Given the two facts above, answer the question "What is used to remove lead from the stomach?" with the following options: 
- Vomiting reflex
 - heat energy
 - Fish hook
 - layers of fat
 - an electron microscope
 - evaporation
 - digestion
 - acid


 

 Vomiting reflex        