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Jared1111 Jared1111
  • 07-04-2016
  • Biology
Answered

what initially causes a nerve impulse

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Hagrid
Hagrid Hagrid
  • 20-04-2016

Nerve impulses are caused by Potassium (K+) and Sodium (Na+) ions that are located inside and outside of the cell. The structure of the cell membrane is permeable to Potassium but are highly impermeable to Sodium ions. These impulses are transmitted from one nerve cell to the other in very fast series.

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Spencer24P Spencer24P
  • 01-03-2019

Answer is B) The movement of chemicals into the dendrites of the neuron causes a nerve impulse.

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