The density of the bentonite particles. calculated from these data is 2.457 _+ 4 x 10 -7 g/cm 3. and the compressibility is 0.12 x 10 -12 _+ 2 x 10 -20. cmZ/dyne. The +_ values are asymptotic standard errors.
The bottom line is this: You burn fat and build cardiovascular fitness at both low and high exercise intensities. The logic is that at lower heart rates you burn more fat. At higher heart rates you supposedly burn less fat but get a better cardio workout. This is partly true, but let's take a closer look. For a 20 minute workout performed at a lower heart rate, you burn proportionally more fat as a fuel source, but fewer overall calories per unit of time.
Take your pulse to determine your heart rate during a workout. Photo Credit Jupiterimages/Photos.com/Getty Images. Aerobic exercise causes your heart to beat faster and your muscles to exert themselves, promoting calorie burn. While higher-intensity physical activity burns calories faster, it can be difficult to know how hard to push your body. Your heart rate is a useful measurement that helps you determine your aerobic exercise intensity, and maximize fat burn.