Which of the following statements about the cerebral cortex is true?

Which of the following statements about the cerebral cortex is true?

1. the cortex is the central, white portion of the cerebrum
2. the cells in the right hemisphere control the right side of the body
3. the cortex has sensory and motor nerve tracts
4. none of the above
5. * the cortex is the outer gray area of the cerebrum and is composed of nerve cell bodies