What bones in the skull and face are involved in the act of chewing?

Question

On this diagram, which ones (I don't know the names of the individual parts, so they are labeled by the alphabet, or if someone can either tell me or speculate without looking at this but just with whatever source of knowledge they may have.) Thank you.http://i149.photobucket.com/albums/s57/saosindroid/SKULL.jpg

What regions are stressed when chewing?

This is to understand an injury better

Answer 1

The lower jaw bone is used in chewing.  The bone is called MANDIBLE.

Answer 2

the facial bones of lower jaw....