Question

What happens when a nerve impulse reaches a synapse?

Answer 1

Impulse reaches axonic end of synapse (impulse always travels from axon to dendron) `rarr` calcium ions flow in axonic terminal`rarr` secretory vescicles release neurotransmitter `rarr` dendritic end across synapse become depolarised `rarr` new impulse generated

Explanation:

To know more about synaptic stuctures and their function please go through this:

https://socratic.org/questions/how-would-you-descrive-the-transmission-of-a-nerve-impulse-across-a-synapse?source=search

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