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प्रश्न
Explain the Term: Nerve
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उत्तर
A nerve is a thread-like structure which emerges from the brain and the spinal cord. It consists of a large number of axons or nerve fibres surrounded by a connective tissue sheath. The nerves arising from the brain are called cranial nerves while those arising from the spinal cord, are called spinal nerves.
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संबंधित प्रश्न
What are the main organs of the human nervous system? Draw a labelled diagram to show the main organs of the human nervous system.
Given alongside is the diagram of a neuron. Name the parts numbered 1-5.
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- ............................................................................................... .
- ............................................................................................... .
- ............................................................................................... .
- ............................................................................................... .
Fill in the blank:
Basic structural unit of the nervous system is the ..................
Define the following:
Nerve impulse
Long answer question
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