The cervix is the neck of the uterus, leading to the vagina. Itâs not a smooth pipe, but a passage filled with crevices. In these nooks and crannies, CM is produced and released. Hormonal changes over the course of a womanâs menstrual cycle affect the amount and the consistency of CM.
Dog Rocks Â® are a product mined in Australia that helps prevent those nasty yellow urine burn stains appearing on your lawn.
Igneous Rocks. Of the three principal rock types (igneous, sedimentary, and metamorphic), igneous rocks can be thought of as primary rocks because they crystallize from a liquid. Sedimentary and metamorphic rocks, which we will study later, may be thought of as derivative rocks. Igneous rocks are rocks formed from the crystallization of a liquid (molten rock). Igneous rocks may be divided into two categories. Intrusive or plutonic rocks crystallize from magma beneath the earth's surface.