Question

The number of spinal nerves in a human being is

• A. 31 pairs
• B. 10 pairs
• C. 21 pairs
• D. 30 pairs

Answer 1

The correct option is A

31 pairs

The correct option is A.

Explanation of correct option:

1. A spinal nerve is a mixed nerve that connects the spinal cord to the rest of the body, carrying motor, sensory, and autonomic impulses.
2. Eight cervicals, twelve thoracics, five lumbar, five sacral, and one coccygeal pair exist in humans.
3. Each pair links the spinal cord to a different part of the body.

Final answer: The number of spinal nerves in a human being is 31 pairs.