Exercise requires energy, and this energy is measured using Calories (or more accurately, kilocalories). Considering 1 pound of fat is the equivalent of 3,500 Calories - you can see that it takes a lot of exercise to burn fat. In addition to this, the source for energy may come from either fat or muscle glycogen.
Getting the Throttle Body in Place 11 January 2013. For your car to have a proper intake of air, a good throttle body must be installed properly. The throttle body is the one that controls the amount of air entering your engine's combustion chamber. To help you out, here are the steps on getting the throttle body properly in place: 0.25-inch sockets.
The throttle (green) is a valve that swivels to open or close the pipe. When the throttle is open, more air and fuel flows to the cylinders so the engine produces more power and the car goes faster. The mixture of air and fuel flows down into the cylinders.