(N/A) $\rightarrow$ The nervous system of a frog is organized into a central nervous system (brain and spinal cord),a peripheral nervous system (cranial and spinal nerves),and an autonomic nervous system (sympathetic and parasympathetic).
$\rightarrow$ The brain is enclosed in a bony structure called the cranium (brain box).
$\rightarrow$ The brain is divided into three parts: 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 within the vertebral column.