One Useful Way to Think About a Neuron Is That

Multiple Choice

One useful way to think about a neuron is that it is like a liquid-filled balloon surrounded by a slightly different kind of liquid.The important ions in the inside and outside liquids are positively charged ____ ions and negatively charged ____ ions.

A) sodium and potassium;chlorine
B) sodium and magnesium;chlorine
C) sodium and magnesium;iron
D) copper and magnesium;fluorine