Think of it like this. Horses do a LOT of galloping, which is hard on the feet! Hooves are a physical ADAPTATION, so that the horses won't experience pain on their journeys. They're hard, so that the horses don't feel the ground nearly as much. Now, mountain goats travel over rough terrain, with sharp rocks and steep inclines. Again, it's really easy for them to get hurt strutting around the mountains, so they evolved hard hooves to protect their feet.
It is semi permeable allowing certain adams to cross through and to their cells.
A wolf's jaw can clamp down with the force of 500 pounds per square inch or more. Their canine teeth can tear into flesh and puncture thick ungulate hides. Their back teeth can crush bones. Wolves can eat as much as 20 pounds of meat in one meal and can go for two weeks without eating. Their small intestine digests most of the meat, allowing them to store great quantities of food in their stomach
The point of a reprimand should be to startle an animal.