Preventing the transfer of heat from an organims 's body causes that organism to keep warm, and body heat is trapped in the haircoat. Given these facts, the haircoat of a dog is useful for among the following options:
- recovery time from fatigue
 - When it's cold
 - protect them
 - finding bones
 - preventing dog days
 - keeping the dog warm
 - keeping the dog cool
 - water conservation


 

      keeping the dog warm   