how are impulses carried across a synapse
This gap between the two cells is called a synapse. Impulses are carried across a synapse by chemical messengers called neurotransmitters. Approximately 30 different neurotransmitters have been identified, but they all do one of two things: Stimulate the action potential in the next neuron cell.Speed up the impulse.Inhibit the action potential in the next neuron.mpulses move from one nerve cell to another because of a difference in electrical action potential caused by ions inside and outside the cell. The cell membrane is selectively permeable to potassium ions, K + , and highly impermeable to sodium ions, Na + .