cranium
Usually the bones are the perimeter of the cavity like the skull is the perimeter of the cranial cavity or the ribs of the abdominal pelvic cavity. But the spine is in the spinal cavity, I'm not 100% sure if the pelvis is in the pelvic cavity off the top of my head, so in short yes there are bones in certain body cavities.
Cranium
The axial part of the skeleton is comprised of the bones in the skull and trunk of the body. Yes, the axial part of the skeleton does have a cavity.
The scientific name for the brain cavity is the cranial cavity. It is the space within the skull that houses and protects the brain.
The dorsal body cavity contains the cranial cavity (which houses the brain) and the vertebral cavity (which houses the spinal cord). These cavities are protected by the bones of the skull and vertebral column.
Yes, of course. The other factors that they consider are not just the size, but also the shape of the bones.
The joints between bones of the skull are immovable and called sutures.
The ribs and skull bones fall into the class of flat bones. Flat bones are typically thin, flattened, and provide protection to internal organs while also serving as points for muscle attachment. The ribs protect the thoracic cavity and support the respiratory system, while the skull bones protect the brain and form the structure of the face.
The eye socket is called the orbit, The orbital bone is the cavity or socket of the skull in which the eye and its appendages are situated
The skull.
The cranial cavity is protected by the skull, which is made up of several bones fused together. These bones provide a hard, protective barrier around the brain to help prevent injury. The skull also contains spaces for blood vessels and nerves to pass through.
The cavity surrounded by the hip bone is called what?