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what part of the brain controls cranial nerves
The cranial nerves consist of 12 paired nerves that arise from the brainstem.
what do the cranial nerves do
Cranial nerves relay information between the brain and parts of the body, primarily to and from regions of the head and neck, including the senses.

Question: where do the nerves emerge from
Self-contained rewrite: where do the cranial nerves emerge from