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## QuestionScienceClass 10

एक न्यूरॉन की संरचना ड्रा करें और इसकी व्याख्या करें फंक्शन।

Diagrammatic representation of neuron-

$$(i)$$Neuron is the structural unit of the nervous system.
$$(ii)$$ It serves the purpose of transmission of messages between organs and parts of nervous system$$-$$brain and spinal cord for the transmission of message or information takes place mainly in the form of electrical signals.
$$(iii)$$Neuron is differentiated into $$3$$ regions $$-$$ Cyton (cell body), Axon and Nerve endings.
$$(iv)$$Cyton consist of nucleus and cytoplasm and is responsible for the growth and development of cell.
$$(v)$$ Many dendrites extend from cyton and are responsible for taking up messages from the nerve ending of other neuron.
$$(vi)$$ The message then travels through the axon and reach the nerve endings.
$$(vii)$$The junction between two neurons is known as synapse.
$$(viii)$$As the message approaches synapse the nerve endings release a neuro-transmitter known as acetylcholine which helps in relaying message to the dendrites of other neuron.