The cell membrane of a muscle cell is called the sarcolemma, and this membrane, like that of neurons, maintains a membrane potential. So, impulses travel along muscle cell membranes just as they do along nerve cell membranes. However, the 'function' of impulses in muscle cells is to bring about contraction.
Climate for Detroit, Michigan. Detroit's coldest month is January when the average temperature overnight is 17.8Â°F. In July, the warmest month, the average day time temperature rises to 83.4Â°F.The driest month in Detroit is February with 1.88 inches of precipitation, and with 3.55 inches June is the wettest month.n July, the warmest month, the average day time temperature rises to 83.4Â°F. The driest month in Detroit is February with 1.88 inches of precipitation, and with 3.55 inches June is the wettest month.
Michigan Weather > Alpena Weather. Alpena, MI climate is mild during summer when temperatures tend to be in the 60's and extremely cold during winter when temperatures tend to be in the 10's. The warmest month of the year is July with an average maximum temperature of 76.70 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 12.00 degrees Fahrenheit.