1. Why do action potentials travel more quickly down thicker axons than thinner ones? 2. What is the problem with achieving rapidly traveling action potentials through large numbers of giant axons? 3....

1. Why do action potentials travel more quickly down thicker axons than thinner ones?

2. What is the problem with achieving rapidly traveling action potentials through large numbers of giant axons?

3. How does myelination speed the propagation of action potentials?