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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.
संबंधित प्रश्न
Write one word in the space provided to complete the second pair of the related words pertaining to the nervous system.
Memory: cerebrum:: breathing:
Balance: cerebellum:: reasoning:
Define the following:
Reflex arc
Choose the correct answer.
Synapse is a close proximity of _______________
Plants do not have any nervous system but yet, if we touch a sensitive plant, some observable changes take place in its leaves. Explain how could this plant respond to the external stimuli and how it is communicated.
Give Technical Term:
The part of the central nervous system in which the gray matter is located on the outer side and the white matter on the inner side.
Identify the location of the arbor vitae.
There are ____________ lumbar spinal nerves.
Stimulation of nerves of the sympathetic nervous system ______.
CSF is secreted by ______.
Cavity enclosed by medulla oblongata of brain is ______.
