The most commonly found synapses in humans are chemical synapses. This occurs due to electrical activity in the presynaptic neurons triggering the release of neurotransmitters.
The neurotransmitters disperse across the synaptic cleft to then bind themselves to specialized receptors of postsynaptic neurons. Once this occurs, the neurotransmitters then either excites or inhibits the postsynaptic neuron. Exciting the postsynaptic neuron leads to a firing of action potential (electrical impulses), whereas inhibiting the postsynaptic neuron prevents the transmission of a signal.
Answer:i think At a chemical synapse, one neuron releases neurotransmitter molecules into a small space (the synaptic cleft) that is adjacent to another neuron. The neurotransmitters are contained within small sacs called synaptic vesicles, and are released into the synaptic cleft by exocytosis.
