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…showed last 75 words of 1666 total…where it was going. This is inefficient. Having a long axon allows for quick communication to areas away from the spinal cord, such at the feet. Also, having a short dendrite is good because it allows the signal to quickly get to the nucleus of the neuron and be dealt with there. The length of the dendrites and axons allow for quick and efficient transmission of signals from the brain to anywhere in the body.