The skull is the bony structure that forms the head and protects the brain. It is composed of 22 bones that are connected by sutures. The skull is divided into two parts: the cranium and the facial skeleton. The cranium is the upper part of the skull and it houses the brain. The facial skeleton is the lower part of the skull and it supports the face. The skull is attached to the spine by the occipital bone. The skull is also connected to the mandible by the temporomandibular joint. The skull is an important part of the human body and it plays a vital role in protecting the brain and supporting the face.