The Primary Motor Cortex. Every voluntary movement you make is controlled through the primary motor cortex, or PMC, which is located in the back of the frontal lobe, just about at the top of your head.Signals in your brain are sent to the muscles, telling them to make a movement.he Primary Motor Cortex. Every voluntary movement you make is controlled through the primary motor cortex, or PMC, which is located in the back of the frontal lobe, just about at the top of your head.
What is a unit rate? A unit rate is a rate expressed in a quantity of one unit. A car traveling at a rate of 60 miles per hour, for example, is an expression of a unit rate. It describes the car's traveling rate over 1 hour of time.
1 Unit rate-this is the price you will pay per unit (kWh) of energy, so it can fluctuate depending on how much energy you use. Standing charge-this is a fixed amount that you are charged each day, regardless of how much gas or electricity you use. 2  Unit rate-this is the price you will pay per unit (kWh) of energy, so it can fluctuate depending on how much energy you use.