Stay Fit-Endurance, or aerobic, activities increase your breathing and heart rate. They keep your heart, lungs, and circulatory system healthy and improve your overall fitness. Strength, or resistance training, exercises make your muscles stronger

Stay Fit-Endurance, or aerobic, activities increase your breathing and heart rate. They keep your heart, lungs, and circulatory system healthy and improve your overall fitness. Strength, or resistance training, exercises make your muscles stronger

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Stock photo: Stay Fit-Endurance, or aerobic, activities increase your breathing and heart rate. They keep your heart, lungs, and circulatory system healthy and improve your overall fitness. Strength, or resistance training, exercises make your muscles stronger was taken by simmons48 .