An action potential is bounded by a region bordered on one extreme by the K+ equilibrium potential (-75 mV) and on the other extreme by the Na+ equilibrium potential (+55 mV). The resting potential is -60 mV.
report abuse it varies per person and per ethnicity average vagina is about 3 to 3 5 inches deep when unaroused but it can lengthen and widen several inches with arousal and childbirth usually around 7 inches deep with arousalthe average penis is only 5 5 6 5 inches and less than 1 % of the population has a penis over 8 inchesverage vagina is about 3 to 3 5 inches deep when unaroused but it can lengthen and widen several inches with arousal and childbirth usually around 7 inches deep with arousal
Rating Newest Oldest. Best Answer: Average size of the opening of the vagina (in a woman who has not delivered a baby through the birth canal) is 1.5-3.0 centimeters. This measurement is taken from the middle of the urethral opening to the posterior opening of the bottom part of the vagina. Average length of the vagina is approximately 8.0-12.5 centimeters.