How does it work? Our bodies require oxygen as fuel to survive. Our lungs take in oxygen the actual air we breathe. The lungs absorb the oxygen and it passes in the blood to circulate through your body does. The lower your aerobic fitness the less powerful your body can experience oxygen, absorb it and circulate the oxygen. Aerobic fitness exercise where you raise your heart rate will assist in improving the performance of your heart and lungs.

But the…