The breast doesn't contain muscles. Breast tissue is located along with the muscles from the chest wall. Blood vessels and lymphatic vessels (a program of vessels that drains fluid) are located all over the breast. Breast tissue commences to variety from the fourth 7 days of fetal lifetime. While in https://grok.com/share/c2hhcmQtMw%3D%3D_21b4ddf4-c274-418a-a078-c9d2af4898ff