Question

Differentiate between spinal and cranial nerve (number of nerves)

Answer 1

Cranial nerves are the nerves  that emerge directly from the brain  (including the brainstem), in contrast to  spinal nerves  (which emerge from segments of the spinal cord 10 of 12 of the cranial nerves originate in the brainstem. Cranial nerves relay information between the brain and parts of the body, primarily to and from regions of the head and neck. and.
Spinal nerves emerge sequentially from the spinal cord with the spinal nerve closest to the head emerging in the space above the first cervical vertebra. The cranial nerves, however, emerge from the  central nervous system above this level.Each cranial nerve is paired and is present on both sides.

Answer 2

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ANSWER :

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➾ Cranial nerves :

Twelve pairs of nerves, which are arise directly from the brain, are called Cranial nerves. But, they are not from spinal cord. And they passes through seperate apertures in the skull.

➾ Spinal nerves :

Spinal nerve is a mixed nerve. It carries motor, sensory signals between the spinal cord and the body. In human body, there are 31 pairs of spinal nerves.

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