Yes some herbivores have very very long intestines, but carnivores and omnivores have much shorter, half the length of a human. There are herbivores that have intestine lengths 10x their body. We are clearly not grass eating grazing animals so of course we are not like a sheep. My teeth are nothing like a dogs. I've seen a dog with it's mouth open, all of his teeth were sharp and his tongue was big and rough.
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