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प्रश्न
______ is the longest cell in our body.
उत्तर
The nerve cell or neuron is the longest cell in our body.
APPEARS IN
संबंधित प्रश्न
Identify the odd one in each set : Cyton, Photon, Axon, Dendron
Fill in the blank:
The neurons carrying impulses from the brain to the muscles are called _______________________.
Write the function of medullary sheath.
Rearrange the following in correct sequence pertaining to what is given within brackets at the end.
Repolarisation - Depolarisation - Resting (polarised) (during conduction of nerve impulse through a nerve fibre)
What are the advantages of having a nervous system?
Explain the following term :
Association neuron
Draw a labeled diagram of a myelinated neuron.
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.
Which cells are responsible for formation of myelin sheath?
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 synapse, chemical signal is transmitted from
CNS is mostly made of ______
Rearrange the following in the correct order of involvement in electrical impulse movement-
Synaptic knob, dendrites, cell body, Axon terminal, Axon
Identify the parts of a neuron which help the nerve impulse to travel away from the cell body.
Which of the following structures is absent in nerve cells?
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Axons : Nerve :: Cytons : ______.
Rearrange the following in correct sequence pertaining to what is given within brackets at the end.
Axon endings - Dendrites - Axon - Perikaryon - Dendron (Neuron structur)
Name the following:
Three types of neurons
