The average national cost of window installation is $5,022, with most homeowners spending between $2,580 and $7,467. This data is based on actual project costs as reported by HomeAdvisor members. Windows can bring light and warmth, provide views, beautify inside and out and add tremendous value to your home.
We have 31 pairs of spinal nerves and they are named after the section of the spine they come out of. 8 pairs of cervical nerves (C1-C8) 12 pairs of thoracic nerves (T1 â T12) 5 pairs of lumbar nerves (L1-L5) 5 pairs of sacral nerves (S1-S5)
1 The nervous system of vertebrates has two main divisions: the central nervous system, consisting of the brain and spinal cord, and the peripheral nervous system, which in humans includes 12 pairs of cranial nerves, 31 pairs of spinal nerves, and the autonomic, or involuntary, nervous system.