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प्रश्न
State the Function:
Myelin sheath
State the functions of the following:
Myelin sheath
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उत्तर
The myelin sheath covers the axon of a nerve cell, provides insulation and prevents indiscriminate distribution and leakage of nerve impulses.
संबंधित प्रश्न
The junction between two adjacent neurons is called :
(a) nerve junction
(b) sensory junction
(c) synapse
(d) neuro-muscular joint
Fill in the blank:
Sense organs have special cells called ____________ for picking up information and transmitting it to the nerves.
Define the following:
Motor neuron:
Name the following:
The biological term given to the protective membranes of the brain.
Differentiate between:
Afferent and Efferent Nerve.
Short answer question
Distinguish between the sympathetic and parasympathetic nervous system on the basis of the effect they have on: a. Heartbeat b. Urinary Bladder
Long answer question
Krishna was going to school and on the way, he saw a major bus accident. His heartbeat increased and hands and feet become cold. Name the part of the nervous system that had a role to play in this reaction.
Answer the following question.
Describe the nervous system of cockroach.
There are ____________ lumbar spinal nerves.
Destruction of the anterior horn cells of the spinal cord would result in loss of ______.
