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प्रश्न
Write the function of medullary sheath.
State the functions of the following:
Medullary sheath
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उत्तर
The medullary sheath provides insulation and prevents the mixing of impulses in the adjacent axons.
संबंधित प्रश्न
The number of Spinal nerves in a human being are :
(A) 31 pairs
(B) 10 pairs
(C) 21 pairs
(D) 30 pairs
Given below is the diagram of a neuron. Name the parts numbered 1-5.
Assertion: The imbalance in concentration of Na+, K+ and proteins generates action potential.
Reason: To maintain the unequal distribution of Na+ and K+, the neurons use electrical energy.
______ is the longest cell in our body.
Classify neurons based on their structure.
Select the motor nerves from the following group.
A microscopic gap between a pair of adjacent neurons over which nerve impulses pass is called ____________.
Assertion: Impulse travels from dendrite to cell body and then along the axon to its end.
Reason: Information acquired at the end of the dendrite tip of a nerve cell sets of an electric impulse.
Why is the flow of signals in a synapse from axonal end of one neuron to dendritic end of another neuron but not the reverse?
