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Sinuses, or air cavities.
The acetabulum is the cavity formed by the hip bones.
Frontal
The dorsal cavity is completely enclosed in bone and surrounds the brain and spinal cord.
They are found in what is called the orbit. It is made of parts of seven bones: Frontal bone Lacrimal bone Ethmoid bone Zygomatic bone Maxillary bone Palatine bone Sphenoid bone
There's no bone in the brain. It doesn't need one, as it's completely encased by bone already - the skull.
ethmoid bone... have fun wth your WSJ puzzle!
The central nervous system (CNS) is surrounded by bone for protection. It also has additional protection from a covering called the meninges. The cranial cavity protects the brain.And the vertebral cavities protect the spinal cord. Together, they are referred to as the dorsal cavity.
Sphenoid bone
The occipital bone is the bone at the back of the skull where the spinal cord attaches to the brain, moving up from there you have a parietal bone on each side and the inter-parietal bone between them
encased for protection
cranial cavity - brian vertebral cavity -spinal cord Abdominal cavity - excretion,stomach,intestine,liver,gallbladder,spleen,pancreas and kidneys. Thoracic Cavity- chest pelvic cavity- lower part of spine,hip bone, and the pubis.