The Spinal Cord Consists of Four Regions and ________ Pairs

Question

The spinal cord consists of four regions and ________ pairs of spinal nerves.
A) five
B) twelve
C) twenty-five
D) thirty-one
E) The number varies widely among individuals.

Accepted Answer

The spinal cord is divided into four regions: cervical, thoracic, lumbar, and sacral. There are 31 pairs of spinal nerves that emerge from each side of the spinal cord, with each pair corresponding to a specific segment of the spinal cord.