The action potential moves in both directions down a nerve fiber.
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Q9: The _ nervous system consists of the
Q10: Neurons that have several dendrites and one
Q11: Sodium-potassium pumps restore the resting membrane potential
Q12: The chemicals that transmit signals across the
Q13: Cells that line the fluid-filled ventricles of
Q15: The parasympathetic division of the autonomic nervous
Q16: The final nerve cell that receives the
Q17: Star-shaped cells that form a supporting network
Q18: An unmyelinated nerve fiber conducts an impulse
Q19: Most synapses in our bodies use the
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