<human>:  What kind of exercises should I do to improve my overall fitness?
<bot>: Cardiovascular exercise such as walking, jogging, running, biking, swimming, and aerobic classes is a great way to improve overall fitness. Strengthening exercises like weightlifting, resistance bands, and body weight exercises are also important for building and maintaining muscle, which is important for overall health and fitness. Stretching and flexibility exercises such as yoga and Pilates can help keep your body limber and reduce the risk of injury. Finally, balance exercises such as standing on one foot or walking heel-to-toe can help improve balance and reduce the risk of falls.