Answer:
Final answer:The nervous system consists of two major subdivisions: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS includes the brain and spinal cord, while the PNS connects the CNS to the rest of the body. In the diagram, label A represents the CNS and label B represents the PNS.Explanation:The nervous system can be divided into two major subdivisions: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS consists of the brain and spinal cord, while the PNS connects the CNS to the rest of the body. In the diagram, label A is pointing to the CNS (central nervous system) and label B is pointing to the PNS (peripheral nervous system).
Step-by-step explanation: