Top 10 Surprising Benefits of Cardio Exercise. <br />Cardio, or aerobic exercise, is great for your heart – it lowers your resting pulse and strengthens the heart muscle. But that’s just the start. It helps other parts of your body, too.<br /><br />References:<br />https://www.webmd.com/fitness-exercise/ss/slideshow-cardio-exercise-good-for-more-than-heart<br />