Sinus.
The brain lies within the cranial cavity which is inside the larger dorsal cavity
There are multiple cavities in the human skull, including the nasal cavity, oral cavity, and cranial cavity, which houses the brain.
In the skull.
it is the skull with the cavity on it.
brain in skull cavity
To protect it from damage.
The dorsal cavity is completely enclosed in bone and surrounds the brain and spinal cord.
Unless you're half way through open brain surgery - no. Your skull is still an enclosed cavity and won't let your brain escape regardless of speed.
cranium
its the teeth on the skull
You can not see your brain as it is enclosed by the skull.
The cranial cavity is the primary cavity of the skull; it contains the brain. In addition, the skull has four other pairs of cavities called sinuses. They are the frontal sinuses, maxillary sinuses, sphenoid sinuses, and ethmoid sinuses.