Vivien is trying to understand what happens to sodium ions when a neuron is stimulated. She knows that when the channels open, the positive sodium ions move into the cell through the dendrites. She also learns that the positive sodium ions cannot leave the cell at that point because the channels in the dendrites:____________

Question

06-02-2020
Social Studies

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Vivien is trying to understand what happens to sodium ions when a neuron is stimulated. She knows that when the channels open, the positive sodium ions move into the cell through the dendrites. She also learns that the positive sodium ions cannot leave the cell at that point because the channels in the dendrites:____________

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alejandrahpsi alejandrahpsi · Answer 1 · 2020-02-07T21:50:37+01:00

Answer:

She also learns that positive sodium ions cannot leave the cell at that point because the channels in the dendrites: closed inmediatly after the positive iones entered.

Explanation:

The importan ions in the nervous system are sodium and potasium, both have a postive charge. A stimulus recieved from one neuron to an other causes sodium ion channels to open. When the ions pass through the membrane this causes action potential. When the possitve ions come into the neuron, it becaomes depolarized, because this ions have a positive charge.