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प्रश्न
What are the advantages of having a nervous system?
उत्तर
- Keeps us informed about the outside world through sense organs.
- Enables us to remember, think, and reason out.
- Controls and harmonises all voluntary muscular activities such as running, holding, and writing.
- Regulates involuntary activities such as breathing and beating of the heart without our thinking about them.
APPEARS IN
संबंधित प्रश्न
Name the following:
Structural and metabolic unit of nervous tissue.
Explain the following term :
Motor nerve
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.
A neuron contains all cell organelles except ______.
What are the different parts of the multipolar neuron?
____________ is the interconnection between two neurons or neuron with motor organ.
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.
Which of the following statements about transmission of nerve impulse is incorrect?
Label the parts of a neuron in the given figure.
Rearrange the following in the correct order of involvement in electrical impulse movement-
Synaptic knob, dendrites, cell body, Axon terminal, Axon
