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
The vagina. The vagina is a 3- to 4-inch (7Â½- to 10-cm) tube. Itâs sometimes called the birth canal. The vagina goes from the cervix (the lower part of the uterus) to open up at the vulva (the external female genitals).The vagina is lined by a layer of flat cells called squamous cells.This layer of cells is also called epithelium (or epithelial lining) because it is formed by epithelial cells.tâs sometimes called the birth canal. The vagina goes from the cervix (the lower part of the uterus) to open up at the vulva (the external female genitals). The vagina is lined by a layer of flat cells called squamous cells.