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प्रश्न
What is the correct direction of flow of electrical impulses?
पर्याय
उत्तर
Explanation -
The impulse travels from dendrites to the cell body and then the axon to the axon terminal. Electrical impulse releases some chemicals called neurotransmitters at the axonal terminal. This chemical excites the dendrite of another neuron to transmit the signal.
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संबंधित प्रश्न
Briefly explain the following terms: Synapse
Fill in the blank:
The neurons carrying impulses from the brain to the muscles are called _______________________.
State whether the following statement is true (T) or false (F):
There are 31 pairs of cranial nerves.
Define the term Sensory neuron.
Complete the following statement by choosing the correct alternative from the choice given in below :
The dorsal root ganglion of the spinal cord contains cell bodies of ________ neurons.
State whether the following statement is true (T) or false (F).
A double chain of ganglia, one on each side of the nerve cord belongs to the spinal cord.
Write the function of synapse.
Name the following:
The nerve which carry impulse from CNS to muscles.
Write whether the following is true or false:
Neurotransmitters are released on activation.
Nerve cells do not possess ______
Classify neurons based on their structure.
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.
Electrical impulse travels in a neuron from
In a neuron, conversion of electrical signal to a chemical signal occurs at/in
Explain the function of the neuron.
Write one word for the following:
The kind of nerve carrying impulses from the brain to a gland or muscle.
Name the following:
Three types of nerves.
Define the following term:
Nerve
