AP PSYCHOLOGY

Detailed explanation-1: -The peripheral nervous system consists of the nerves that branch out from the brain and spinal cord. These nerves form the communication network between the CNS and the body parts.

Detailed explanation-2: -The central nervous system is made up of the brain and spinal cord. The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.

Detailed explanation-3: -Answer and Explanation: The correct answer is Nuclei. In CNS, a cluster of neurons is called a nucleus whereas in PNS these termed as ganglion.

Detailed explanation-4: -Cranial nerves and spinal nerves extend from the CNS to peripheral organs such as muscles and glands. Ganglia are collections, or small knots, of nerve cell bodies outside the CNS. The peripheral nervous system is further subdivided into an afferent (sensory) division and an efferent (motor) division.