7(iii)
(a) Explain the term Synapse.
(b) Name the neurotransmitter that allows the transmission of impulses across the synapse.
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(a) A synapse is the junction between the terminal branches of the axon of one neuron and the dendrites or cell body of another neuron, separated by a minute gap.
(b) The neurotransmitter responsible for transmission across the synapse is acetylcholine.