(N/A) $\rightarrow$ There are $10$ pairs of cranial nerves arising from the brain. The brain is enclosed in a bony structure called the brain box (cranium).
$\rightarrow$ The brain is divided into the forebrain,midbrain,and hindbrain.
$\rightarrow$ The forebrain includes olfactory lobes,paired cerebral hemispheres,and an unpaired diencephalon.
$\rightarrow$ The midbrain is characterized by a pair of optic lobes.
$\rightarrow$ The hindbrain consists of the cerebellum and medulla oblongata.
$\rightarrow$ The medulla oblongata passes out through the foramen magnum and continues into the spinal cord,which is enclosed in the vertebral column.