Question: what are the four parts of the central nervous system?
Answer: 1.1 White and gray matter. 1.2 Spinal cord. 1.2.1 Cranial nerves. 1.3 Brain. 1.3.1 Brainstem. 1.3.2 Cerebellum. 1.3.3 Diencephalon. 1.3.4 Cerebrum. 1.4 Difference from the peripheral nervous system.