Answer:
mCNS and PNS.
Explanation:
Nervous system of the body includes all the the nerves that carry message in the body from the spinal cord and brain . Nervous system has divided into two main branches.
The two main divisions of the nervous system are peripheral nervous system (PNS) and central nervous system (CNS). The central nervous system constitutes of the spinal cord and brain. The peripheral nervous system include the sensory receptor, motor nerves and sensory neurons.
Thus, the correct answer is option (b).
