Transmissions Across A synapse

Question 1

what is a synapse?

Answer 1

the small gap between the presynaptic neuron and postsynaptic cell that conducts a signal between neurons.

Question 2

what are neurotransmitters?
Give some examples.

Answer 2

is a small chemical which transfers a nerve impulse from one neuron to another. Examples: Acetylcholine, adrenaline, dopamine, serotonin.