The correct option is B cranial and spinal nerves
∙ The nervous system is a controlling system of the body and is composed of nerve cells. It is classified into the central nervous system and peripheral nervous system.
∙ The peripheral nervous system connects the brain and the spinal cord to the rest of the body and the external environment.
∙ PNS consists of cranial nerves and spinal nerves.
∙ Cranial nerves arise from the brain and spinal nerves come from the spinal cord.
∙ Functions of PNS include the regulation of muscle contraction and release of secretions from most exocrine glands.