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vladimir1956 [14]
3 years ago
12

Explain what occurs during a nerve impulse. what is saltatory conduction\

Biology
1 answer:
grigory [225]3 years ago
8 0
During a nerve impulse, <span>At the end of the axon from which the </span>impulse is coming, the membrane depolarizes, gated ion channels open, and calcium ions (Ca2+) are allowed to enter the cell. When the calcium ions rush in, a chemical called a neurotransmitter is released into the synapse. The neurotransmitter binds with receptors on the neuron. A saltatory conduction is <span>the propagation of action potentials along myelinated axons from one node of Ranvier to the next node, increasing the </span>conduction<span> velocity of action potentials.</span>
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