How is cardio exercise best described

Explanation:

Cardio exercise can be defined as the exercise which involves the movement of the muscles over a sustained period. The cardio exercise helps to regulate the heart rate. Walking, running, cycling, stair climbing, jumping rope, swimming, rowing, and others are examples of cardio exercise. The cardio exercise helps to burn calories and fat, thus helps in weight loss. It makes the heart strong. It increases lung capacity. It reduces the risk of heart attack, high blood pressure, high cholesterol, and some types of cancer.

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