Which of the following statements regarding the twelve cranial nerves is correct?
A. They branch out from between each of the spinal vertebrae.
B. They arise from the brain and innervate the head and face.
C. All twelve nerves exit the brain through the foramen magnum.
D. Their primary function is to send messages to and from the brain.
Answer: B. They arise from the brain and innervate the head and face.
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