This is a head base mesh with single mirrored/symmetrical UV tile (head and eyes) and Multiple UV tiles on 1001 to 1010, mesh included are :

Head(single UV tile mirrored/symmetrical UV, and Multiple UV's on 1001 to 1010 ),

Mouth interior(upper and lower gum, upper and lower teeth and tongue)

Eyes(inner and outer eyes with mirrored/symmetrical UV )

Scene file is named properly(please check the screenshots), Files include .obj(separated for Single and Multi UV tiles), .FBX(separated for Single and Multi UV tiles) and maya scene file in .ma.