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प्रश्न
What are the nerves? Mention the types of nerves found in humans.
उत्तर
A bundle of nerve fibers joined together as a tubular sheath that transmits impulses between the brain or spinal cord and other body parts is called a nerve. The nerves constitute the peripheral nervous system.
Nerves are of two types in humans:
- Cranial nerves: They emerge from the brain. There are 12 pairs of cranial nerves.
- Spinal nerves: They emerge from the spinal cord. There are 31 pairs of spinal nerves.
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