Yes they can, especially if the heater is not not properly installed or grounded.
Horses chew their hay or grains in their mouth with their teeth so that it is easier for their stomach to digest. Horses chew from side to side as in a motion of a grinder.
they chew on food
To chew their food.
Horses chew wood but they gain no nutritional benefit from wood.
they eat with there mouths and chew with there teeth
Same as domestic horses; teeth developed to chomp down on and chew grass.
Cows, and any animals that chew cud (ruminants), have a four chambered stomach. Horses do not chew cud and only have a one-chambered stomach. (pseudo-ruminant monogastrics.)
Horses can't actually cut through would, but they do chew on it (usually called cribbing).
Grass is really hard to digest so they have to chew down the cell wall of the plant to digest it otherwise it'll come out exactly the way it was when it was eaten.
i think its cuz they need it to chew their food
Horses chew by moving their lower jaw in an oval pattern because their lower jaw is narrower than the upper jaw. As the jaw closes, it moves from one side to the other. As it opens it returns to the original position.
Yes, that's what their molars are for. Especially tough foods such as grass and hay.