The mentalis muscle mass is actually a paired muscle mass Situated within the lessen end of the chin, which acts as the main muscle mass of the lower lip. This muscle originates… The base of each breast is connected to your upper body via the deep fascia around the pectoralis https://grok.com/share/c2hhcmQtMw%3D%3D_5ad6450c-533d-442c-a09c-9f7bce1babfb