You are presented with the question "Mammals find breath through the action of what thing beneath their lungs?" and the following answer choices: 
- matter
 - the skin
 - muscle
 - organ
 - lmestone
 - oxygen
 - gas
 - Epidermis

Now knowing that mammals breathe with the help of a diaphragm and hiccups are caused by involuntary spasms of the diaphragm, the muscle beneath the lungs, choose the best answer.


 

   muscle      