Chapter 26, Problem 15WIO

Summary Introduction

To determine:

The position of ions before, during and after an action potential using 20 coins of two different types to represent 10 ${\text{Na}}^{\text{+}}$ and 10 ${\text{K}}^{\text{+}}$ ions.

Concept introduction:

Unequal distribution of positive and negative charge across the cell membrane results in membrane potential of a cell. The rise and fall in the membrane potential of an axon at a specific location causes a series of electrical response or action potential.