Chewing

thumb|right|250px|A stump-tailed macaque using mastication to process tough plant matter Chewing or mastication is the process by which food is crushed and ground by the teeth. It is the first step in the process of digestion, allowing a greater surface area for digestive enzymes and bile to break down the foods.

muscles in the zygomatic arch that close the jaw

anatomical system including, but not limited to teeth, jaw and its muscles

American health food enthusiast (1849-1919)

dog disease