what function do you think your incisors have (four teeth in your mouth) how do you know (using stem definition as evidence)
to cut food/ bite it off
The main function of incisors is to cut and tear into food. They are also visible when eating, talking, and smiling. They can also be referred to as front teeth, lateral incisors, central incisors, and anterior teeth. Read more from http://dentistry.about.com/od/termsanddefinitions/g/incisors.htm.