Chris is 20 years old. He wants to lose weight and improve his cardiovascular endurance. He goes walking every day for 30 minutes and he does resistance training every other day for 30 minutes. How do you determine what is Chris's target heart rate zone? How does Chris know if he is in his target heart rate zone while doing Physical Activity. What benefits will Chris experience for training in his target heart rate zone? Which component of physical fitness is Chris doing when training in his target heart rate zone and what are good examples of physical activities that Chris can do to train in his training heart rate zone?