Our ability to move is dependent on how forcefully our muscles contract, which in turn is referred to as muscle tension. muscle tension is determined by

the cell theory states that all living things including animals, as well as plants, are made of cells.

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.