Mammals breathe with the help of a diaphragm, and when a person stops breathing, they die. Given these facts, what do mammals use a diaphragm for among the following options:
- movement
 - Movement of an air mass
 - Pumping water
 - survival
 - Preventing death
 - To keep their body heat.
 - Shaving cats
 - Making friends


 

     Preventing death    