Question

The number of pairs of spinal nerues in humans is





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Answer 1

Answer:

There are 31 pairs of spinal nerves (8 cervical, 12 thoracic, 5 lumbar, 5 sacral, 1 coccygeal; Figure 2–2). Each spinal nerve divides into a dorsal and ventral ramus (Figure 2–3). Unlike the dorsal and ventral nerve roots, the dorsal and ventral rami both contain motor and sensory fibers.

Answer 2

Answer:

31 pairs

In humans there are 31 pairs: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal. Each pair connects the spinal cord with a specific region of the body. Near the spinal cord each spinal nerve branches into two roots.

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