(Multiple choice) When nerve cells carry a signal from your hand to your brain, how is the signal propagated through your nervous system? (explain why that answer is correct) a. positive ions flows through the cells traveling the entire length of the cells b. positive conduction ions, the cells pump positive ions into and out of the cells so that a positive signal travels through the cells. c. conduction electrons

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(Multiple choice)

When nerve cells carry a signal from your hand to your brain, how is the signal propagated through your nervous system? (explain why that answer is correct)

a. positive ions flows through the cells traveling the entire length of the cells

b. positive conduction ions, the cells pump positive ions into and out of the cells so that a positive signal travels through the cells.

c. conduction electrons

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