What role does the esophagus play in the human body and what is its importance in the human body

it helps u sallow food

Explanation:

they help push food further down into the stomach through the act of peritalsis

answer; ///the correct answer to the above statement is (cytoskeleton);

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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