Answer: synapses

AnswerCrossword Clue
SYNAPSESNerve junctions
SYNAPSESImpulse paths
SYNAPSESChromosome pairings
SYNAPSESGaps between neurons
SYNAPSESTransmission sites
SYNAPSESThey act on impulses
SYNAPSESThey'll help you pass on impulses
synapsesA junction between two nerve cells, consisting of a minute gap across which impulses pass by diffusion of a neurotransmitter