The significance of a cool-down after exercising lies in its ability to gradually bring the body back to a resting state. This process helps reduce the risk of dizziness and muscle soreness by facilitating the removal of metabolic waste products that accumulate during intense workouts. A proper cool-down often includes light aerobic activity and stretches for the muscles used in the workout. It aids in recovery and can improve overall flexibility. Additionally, cool-downs play a role in maintaining cardiovascular health by preventing sudden drops in heart rate.