Complex sentence: In addition to providing hours of entertainment, they also allow the animal to work out anxiety and boredom through chewing, they distract small animals from chewing other "forbidden" items, and they assist in maintaining healthy teeth.
Split into simpler sentences: In addition to providing hours of entertainment, they also allow the animal to work out anxiety and boredom through chewing. They distract small animals from chewing other "forbidden" items, and they assist in maintaining healthy teeth.