Question

a long box which protects the brain

Answer 1

The brain is protected by the bones of the skull and by a covering of three thin membranes called meninges. The brain is also cushioned and protected by cerebrospinal fluid.

Answer 2

The skull bones protects the brain.

The brain sheath which is also known as the dura mater is responsible for holding the cerebrospinal fluid.

It is also responsible for carrying the blood supply to the brain.

To be precise, the Cranium is a large bony box that protects the brain. It is a part of the head or the skull.