Spinal cord or spinal medulla, which occupies upper two-thirds of the vertebral canal, and contains many reflex centers. Cerebrospinal nervous system is the somatic component of the peripheral nervous system, which includes 12 pairs of cranial nerves and 31pairs of spinal nerves. It innervates the somatic structures of the head and neck, limbs and body wall, and mediates somatic sensory and motor functions.
The cost of tolls on the new Grand Parkway will depend on the type of vehicle and where a driver gets on and off the toll road. For drivers of two-axle vehicles, a one-way trip between I-10 and US 290 will cost $2.88.
The new 15-mile, four-lane Segment E of the Grand Parkway (also known as SH 99) provides nonstop travel between Iâ10 and U.S. 290 on the west side of Houston. This all-electronic toll road linking Katy and Cypress is part of a planned 185-mile Grand Parkway outer loop circling the Houston metro region.