Answer:
Cranial cavity.
Explanation:
Brain is one of the important organ of the living organism. The control and coordination of the body with the other system is maintained and controlled by the brain.
Brain is a soft and delicate organs and needs to be protected from any injury. The brain is located in the cranial cavity that protects the brain from the shock or from any physical injury. The cranial cavity consists of the meninges of the cerebrospinal fluid.
Thus, the answer is cranial cavity.