Ex. 2 fill in the gaps with the words from the text above. you are capable of many complex cognitive functions—such as thinking, speaking, and reading, as well as moving, feeling, seeing, and hearing—because of your central nervous system. the central nervous system is made up of the brain and from the bottom of the brain emerges the spinal cord, which is made up of neurons ['njuərɔn] that carry information back and forth between and the body. you are able to move your muscles, receive sensations from your body, and perform many other bodily responses because of the nervous system.