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
1. any sheath or sheathlike structure. 2. the canal in the female that extends from the external genitalia (vulva) to the cervix uteri. The adult vagina is normally about 8 cm (3 in) long and slopes upward and backward. Internally, the bladder is in front of the vagina and the rectum in back.