The central nervous system includes
Athe brain, spinal cord and cranial nerves.
Bonly the brain.
Cthe brain and the spinal cord.
Dthe brain, spinal cord, cranial nerves and spinal nerves
Athe brain, spinal cord and cranial nerves.
Bonly the brain.
Cthe brain and the spinal cord.
Dthe brain, spinal cord, cranial nerves and spinal nerves