Explain generation and conduction of nerve …
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Posted by Divya Tripathy 6 years, 10 months ago
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Gaurav Seth 6 years, 10 months ago
Whenever we touch any object the immediate response of the nervous system is to send signals through nerves to the spinal cord. The neurons then transmit the signal from spinal cord to brain. Brain cells transmit the signal along their axons to the neighboring neurons via synapses. When the information in form of electrical signals reaches the axon’s end the voltage trigger releases the neurotransmitters which are brain’s chemical messengers. The neurotransmitters are traveled across the synapse till they reach potassium ion channels. Potassium ions enter the cells making inside of the cell more positive than outside. When the signal reaches axon terminal calcium ions move inside the cell and vesicles filled with neurotransmitters are expelled out of the cell.
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