A brief electrical charge that travels down the axon of neuron is called the:
Correct answer: D. action potential
- A. synapse
- B. myelin sheath
- C. refractory period
- D. action potential
Explanation
An action potential is the brief electrochemical signal that travels along a neuron's axon. A synapse is the junction between neurons, while the myelin sheath insulates the axon.
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