How and what do nerves communicate?

Give the three types of synapse. Why of these is most potent at eliciting a response?

What is a ligand?

Describe the two types of gating mechanisms and give the main points about each of them.

Give the four groups of transmitter.

what are mini end plate potentials?

What is the role of a synapse?

What is the problem with electrical synapses? Why is this nor a problem in chemical synapses? Do humans use these synapses and if so where?