The vomiting reflex is used to remove toxic material from the stomach before it is absorbed, and finally, lead is toxic. Given these facts, what is used to remove lead from the stomach among the following options:
- Vomiting reflex
 - heat energy
 - Fish hook
 - layers of fat
 - an electron microscope
 - evaporation
 - digestion
 - acid


 

 Vomiting reflex        