Chewing
Appearance
(Redirected from Mastication)
![](http://chped.net/https/upload.wikimedia.org/wikipedia/commons/thumb/1/14/Macaca_arctoides.png/220px-Macaca_arctoides.png)
Chewing, or mastication, is the first part of the digestive system. It is when the teeth chew the food and the tongue mixes it with saliva to make it mushy in the mouth. A group of animals, called the ruminants, masticate more than once. Most cattle are in this group.