The parietal bone are large paired bones form most of the lateral and superior walls of the cranial vault (calvaria).
These are tissues which contain high amounts of calcium and form the main component of the skeleton. They also helps to provide structural integrity and rigidity to parts of the body and protect vital organs such as the heart, brain etc of the body from any form of external stimuli encountered.
The parietal bone is attached by a fibrous joint and forms part of the roof and sides of the cranium. They are also involved in the formation of most of the lateral and superior walls of the cranial vault (calvaria) present in the body system.
This is therefore the reason why parietal bone was chosen as the most appropriate choice.
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