1.) 12 2.) 10 3.) 6 4.) 20
There is 12 pair of Carnial nerves.
Cranial nerves are the nerves that emerge directly from the brain (including the brainstem) and in contrast to spinal nerves (which emerge from segments of the spinal cord). Cranial nerves relay information between the brain and parts of the body, primarily to and from regions of the head and neck.