Exercise uses up a lot of energy, which the cells derive from oxidizing glucose. Both glucose and oxygen have to be delivered by the blood. This means that the heart has to work harder to pump more blood through the body. read more
Cardio, short for cardiovascular exercise, is any movement that gets your heart rate up and increases blood circulation throughout the body. There are various forms and methods of performing cardio exercise - all which will have specific benefits and guidelines. read more