1. What is the longest nerve in the body? (0.5 points) 2. In what region(s) of the spinal cord do the nerves which innervate the lower body originate? (0.5 points) 3. The spinal cord is divided into how many segments? List the number of segments in each portion of the spinal column. (0.5 points) 4. List the spinal meninges and the relevant spaces in between, as well as what occupies those spaces. (0.5 points)