The spinal cord is divided into ___ segments, each giving rise to a pair of spinal nerves.
A) 7
B) 12
C) 5
D) 31

Question

Quizplus · Accepted Answer

The spinal cord, a continuation of the medulla oblongata, extends to the first lumbar vertebra. It is divided into 31 segments, each giving rise to a pair of spinal nerves that act like a telephone switchboard, or reflex center, carrying impulses to and from the brain (see Figure 13-1, D).

The Spinal Cord Is Divided into ___ Segments, Each Giving