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.
State Highway 99 (SH 99, the Grand Parkway) is a proposed 180+ mile circumferential scenic highway traversing seven counties and encircling the Greater Houston region. The project has been shown on governmental planning documents since the early 1960's.