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प्रश्न
Write the function of medullary sheath.
State the functions of the following:
Medullary sheath
उत्तर
The medullary sheath provides insulation and prevents the mixing of impulses in the adjacent axons.
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संबंधित प्रश्न
State whether the following statement is true (T) or false (F):
There are 31 pairs of cranial nerves.
Write the function of Association neuron.
What are the advantages of having a nervous system?
Write whether the following is true or false:
Neurotransmitters are released on activation.
Explain the following term :
Association neuron
____________ are the building blocks of the nervous system.
How nerve impulses are transferred from one neuron to the next neuron?
‘A’ is a cylindrical structure that begins from the lower end of the medulla and extends downwards. It is enclosed in bony cage ‘B’ and covered by membranes ‘C’. As many as ‘D’ pairs of nerves arise from the structure ‘A’.
(i) What is A?
(ii) Name (a) bony cage ‘B’ and (b) membranes ‘C’
(iii) How much is D?
The structural and functional units of the nervous system is ______.
Electrical impulse travels in a neuron from
