Phenomenon: When a piece of paper is placed on top of a book, and both objects are dropped together, they fall straight to the ground; the paper does not flutter. Text to speech

6. What questions do you have about this phenomenon?

Why does the paper not flutter?

What factors might cause this?

Would the scenario be different if there was a fan nearby?

I hope this is what you were looking for, and that it helps you!

the answer that best describes the relative refractory period in the neuron is the resting membrane potential is restored, but concentrations of sodium and potassium are not restored to their original state.

the refractory period is the time during which another stimulus given to the neuron will not lead to a second potential. thus, because na+ channels are inactivated during this time, additional depolarizing stimuli do not lead to new action potentials.  

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