Question

Asynapse is the space between what?

Answer 1

It is a space between two neurons.

Explanation:

Between two neurons (the cell body or dendrite of one neuron and axons of the other) is a tiny gap. This gap, the synapse, is where chemical messages (or rather, neurotransmitters) diffuse across.

Finally, here is a great little video to further explain anything:

Hope this helps, let me know if I can do anything else:)