As you mentioned, for some women, the depth from the vaginal opening to the tip of the cervix is 3 to 4 inches when they are not sexually aroused. Other women may have a vaginal depth of five to seven inches.
(plural igneous rocks). ( 1 geology) one of the major groups of rock that makes up the crust of the Earth; formed by the cooling of molten rock, either below the surface (intrusive) or on the surface (extrusive).
igneous. 1  of, containing, or having the nature of, fire; fiery. 2  produced by the action of fire; specif., formed by volcanic action or intense heat, as intrusive or extrusive rock solidified from molten magma or lava.