The movement of sodium and potassium ions within the muscle cells contributes to its ability to respond to a stimulus is true.
This is referred to a method in which a neuron transports electrical signals which contributes to stimulus.
It is promoted through the molecules pumping sodium ions out of the cell and potassium ions into the cell. It contributes to the ability of muscle cells to respond and adapt to external conditions through the action potential.
Read more about Action potential here https://brainly.com/question/13606928
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