The core of your cardiovascular system is your heart and lungs. Your heart and lungs are the driving force of your cardiovascular system, think of them as the engine. By performing cardiovascular exercises on a regular basis you are strengthening your heart and lungs, giving them more power and allowing them to run more smoothly and efficiently.
A regular cardiovascular program will also increase stamina and yes, your metabolism. By boosting your metabolism you will have increased energy levels throughout the day and your body will burn more calories on it’s own.