There are ___ pairs of cranial nerves and ____ pairs of spinal nerves.

There are ___ pairs of cranial nerves and ____ pairs of spinal nerves.

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There are ___ pairs of cranial nerves and ____ pairs of spinal nerves.


A. 15, 31
B. 31, 12
C. 12, 31
D. 12, 25


Answer: 12, 31


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