Problem: The central nervous system (CNS) is the major integrating center of the body. Which of the following general statements about the CNS and its components is true?
a. The CNS is made up of the brain, the spinal cord, and neurons projecting from the spinal cord to effector organs.
b. The grey matter in the brain and spinal cord functions to transmit information rapidly through these structures.
c. The white matter in the brain and spinal cord is made up of collections of neural cell bodies.
d. Linked collections of neurons, or neural networks, are thought to be the functional unit of the CNS