You are obtaining extracellular recordings from the lateral axons of the earth worm. The distance from the stimulating cathode to the first recording electrode is 60mm and 85mm to the second recording electrode. The time from stimulation to arrival of the action potential at the first recording electrode is 5msec and to the second recording electrode is 10msec. The conduction velocity of this axon would be meters per second. 05 0.2 10 O 3

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