Both pigs and humans have pairs of spinal nerves extending from the spinal cord. While pigs have between 38 to 40 pairs, humans typically have ________ pairs
A) 6
B) 12
C) 24
D) 31
D
Explanation:
A) Humans have 31 pairs of spinal nerves; pigs have 38 to 40 pairs, depending on whether some of the distal nerves have fused.
B) Humans have 31 pairs of spinal nerves; pigs have 38 to 40 pairs, depending on whether some of the distal nerves have fused.
C) Humans have 31 pairs of spinal nerves; pigs have 38 to 40 pairs, depending on whether some of the distal nerves have fused.
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