because they just do it every time.
The difference between a cats tongue and a dogs tongue is that a cats tongue is rough and looks like there is little teeth on the tongue. The dogs tongue is smoother than a cats and is most of the time longer than a cats tongue. Also a dogs tongue can be different colours. It seems to be said also that a dogs tongue can heel a wound.
:-p is a sideways face sticking its tongue out at you.
It means that your interested in same sex relationships
No. Tongue is a separate meat.
Temperature regulation is a critical tongue function for a dog. Since they don't sweat, dogs cool themselves predominantly through their tongue.
No
No.
If a dog was hot, they could pant, their tongue could sweat, they could be always moving/fidgeting and they probably would be sweating.
Yes.
Not if the dog is alive
Dogs sweat through their Paws and their tongue.
Crabs always travel sideways.