Cardio意思

"Cardio" is a term often used in the context of fitness and exercise, and it stands for cardiovascular exercise. This type of exercise primarily benefits the heart and lungs, improving cardiovascular fitness and endurance. Common cardio exercises include running, cycling, swimming, dancing, aerobics, and brisk walking. The goal of cardio workouts is to increase heart rate and breathing, which in turn strengthens the heart muscle and improves blood circulation. Regular cardio exercise is essential for maintaining a healthy heart and reducing the risk of cardiovascular diseases.