There are four different types of volcanoes. A volcano is categorized both by formation and appearance. Different types of volcanoes also indicate the types of expected eruptions. The different types of volcanoes are: composite (or stratovolcanoes), shield, cinder cones and spatter cones.
A Vaginal Ring is a thin, transparent, flexible ring that you insert into the vagina yourself to provide contraception protection. Leave the Vaginal Ring in for 3 weeks while it slowly releases estrogen and progestin hormones into the body.
The vagina. The vagina is a 3- to 4-inch (7Â½- to 10-cm) tube. Itâs sometimes called the birth canal. The vagina goes from the cervix (the lower part of the uterus) to open up at the vulva (the external female genitals).The vagina is lined by a layer of flat cells called squamous cells.This layer of cells is also called epithelium (or epithelial lining) because it is formed by epithelial cells.tâs sometimes called the birth canal. The vagina goes from the cervix (the lower part of the uterus) to open up at the vulva (the external female genitals). The vagina is lined by a layer of flat cells called squamous cells.