<P> The jaw is any opposable articulated structure at the entrance of the mouth, typically used for grasping and manipulating food . The term jaws is also broadly applied to the whole of the structures constituting the vault of the mouth and serving to open and close it and is part of the body plan of most animals . </P> <P> In arthropods, the jaws are chitinous and oppose laterally, and may consist of mandibles or chelicerae . These jaws are often composed of numerous mouthparts . Their function is fundamentally for food acquisition, conveyance to the mouth, and / or initial processing (mastication or chewing). Many mouthparts and associate structures (such as pedipalps) are modified legs . </P>

What is the function of the jaw bone
find me the text answering this question