

Cardio, Heart rate and Fat Burning
Cardiovascular exercise builds the heart and lungs, boosting oxygen transportation and consumption. The work itself requires energy and therefore, burns calories.
Heart rate is a measure of how hard your heart is working and thus helps people determine the intensity of a particular workout. When you work your body harder, your heart beats faster and your body turns to different fuel sources when working at various levels of intensity. It makes sense that people seeking to lo