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प्रश्न
Rearrange the following in correct sequence pertaining to what is given within brackets at the end.
axon endings → nucleus → Dendrites → axon → perikaryon → Dendron(Neutron structure)
उत्तर
Dendrites → Dendron → perikaryon → nucleus → axon → axon endings
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संबंधित प्रश्न
Define the term Sensory neuron.
Define the following:
Axon
Our body contains a large number of cells ‘L’ which are the longest cells in the body. L has long and short branches called ‘M’ and ‘N’ respectively. There is a gap ‘O’ between two ‘L’ cells, through which nerve impulse transfer by the release of chemical substance ‘P’.
(i) Name the cells L?
(ii) What are M and N?
(iii) What is the gap O?
(iv) Name the chemical substance P?
Which nerves transmit impulses from the central nervous system towards muscle cells?
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.
In a neuron, conversion of electrical signal to a chemical signal occurs at/in
In the following diagram choose the correct labelling for A, B, C, D and E respectively.
Write one word for the following:
wave of electrical disturbance that sweeps over the nerve cell.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Axons : Nerve :: Cytons : ______.
Distinguish between the following pair:
Nerve impulse and flow of electricity (transmission and speed)
