Which muscles arise from the skull and often attach to the skin?

The correct answer is "Muscles of facial expression".

Explanation:

The muscles of facial expression belong to the skull and often are attached to the skin. This is particularly true for the muscles of the cheeks, allowing to open the oral cavity. The muscles of the cheeks are inserted into the skin and the mucous membranes of the lips, allowing for the changes of facial expressions that comes from emotions.

This question lacks options, the options are:

A. Extrinsic eye muscles  

B. Muscles of mastication  

C. Muscles that move the tongue  

D. Muscles of facial expression  

E. Muscles of the pharynx

The correct answer is D. Muscles of facial expression  

Explanation:

The muscles responsible for facial expression develop from the second branchial or pharyngeal arch (called the hyoid arch), as part of the subcutaneous muscular lamina that forms the platysma and its facial extension. Muscles of facial expression have a mobile skin insertion, that means they are attached to the skin and are grouped around the holes in the face, orbit, nostrils, mouth, exerting a dilating or constricting action on them. These receive their motor innervation from the facial nerve (VII cranial nerve). In addition, the overlying skin receives its sensory innervation from the trigeminal nerve (V cranial nerve). It is important to note that the trigeminal nerve dependent muscles (chewing muscles) develop from the first branchial arch (or mandibular arch).

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