Which of these is true of the nervous system? a. axons signal the intensity of a stimulus by varying the speed of action potentials. b. ordinarily, you use only about 10% of your brain. c. new neurons can form in certain areas of the adult brain. d. the right hemisphere controls the right side of the body?

Nervous system is a complex network of nerves and cells that carry messages to and fro the brain and the spinal cord to other parts of the body. The nervous system consists of the central nervous system and the peripheral nervous system. In this case, the answer is C, that neurons can form at certain parts of the adult brain

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