The Mouth is the first part of the digestive system and is responsible for chewing the food. It is also a big part of communication. It consists of a tongue, teeth, gingiva and lips. This article is a stub. You can help Science Wiki by expanding it. Retrieved from "https://sciences.fandom.com/wiki/Mouth?oldid=4746" Categories: Stubs Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.