Various kinds of tissue sort the female breasts. Muscles connect your breasts for your ribs. The a few differing types of breast tissue consist of: Somewhere around two several years after the onset of puberty (a girl's initial menstrual cycle), estrogen and expansion hormone encourage the development and expansion from https://grok.com/share/c2hhcmQtMw%3D%3D_21b4ddf4-c274-418a-a078-c9d2af4898ff