The mentalis muscle is often a paired muscle Positioned on the lessen stop of the chin, which acts as the key muscle on the lower lip. This muscle originates… The bottom of each and every breast is hooked up towards the chest through the deep fascia about the pectoralis important https://grok.com/share/c2hhcmQtMw%3D%3D_5ad6450c-533d-442c-a09c-9f7bce1babfb