Question

part of the nervous system that consists of the brain and spinal cord
parasympathetic nervous system
sympathetic nervous system
peripheral nervous system (pns)
autonomous nervous system (ans)
central nervous system (cns)

Explanation:

The central nervous system (CNS) is defined as the part of the nervous system that includes the brain and spinal cord. The other options refer to different components or divisions of the nervous system that do not solely consist of the brain and spinal cord. The parasympathetic and sympathetic nervous systems are parts of the autonomic nervous system, which is a division of the peripheral nervous system. The peripheral nervous system is all the nervous - tissue outside the CNS. The autonomic nervous system controls involuntary functions.

Answer:

central nervous system (CNS)