In its resting state, the neuron is more negative inside compared to outside. The resting membrane potential is -70 millivolts (mV). The reason for this is because of the distribution of charged ions :
The 2014 Portland, Maine, population is 66,235. There are 3,108 people per square mile (population density). The median age is 36.7. The US median is 37.2. 38.53% of people in Portland, Maine, are married. 13.81% are divorced. The average household size is 2.08 people. 27.60% of people are married, with children. 19.64% have children, but are single.
In most years, Portland averages a daily maximum temperature for July that's between 77 and 84 degrees Fahrenheit (25 to 29 degrees Celsius). The minimum temperature usually falls between 55 and 57 Â°F (13 to 14 Â°C). The days at Portland warm steadily during July, until they peak for the year on the 30th and 31st, along with August 1st.