<human>:  What types of exercises should I do to improve my cardio?
<bot>: Depending on your fitness goals, there are a variety of exercises you can do to improve your cardio. Examples include running, jogging, swimming, cycling, rowing, and jumping rope. Aerobic exercises such as stair climbing, elliptical training, and interval training can also be helpful. Additionally, incorporating strength training exercises, such as push-ups, squats, and lunges, can help build endurance in your muscles.