Nervous System Animations

McGrawHill is an American publisher and provides excellent animations covering different aspects of neurobiology. This is a brilliant resource to understand the dynamics of biological processes related to neurons or the nervous system. All animations provide a narrative (check your vocabulary!) and a quiz to test your knowledge.

The Nerve Impulse

A Companion Website for the textbook Neuroscience (the chapter animations are useful)

Action Potential Propagation

Electric Signalling

Voltage Gated Channels and the Action Potential

Chemical Synapse 

Transmission Across a Synapse

Another useful resource for independent learning is

Neurons (Medical Education, University of Toronto)