Final answer:
Cooling down after exercising is important to prevent injury by gradually decreasing the intensity of exercise.
Step-by-step explanation:
Cooling down after exercising is important to prevent injury. When we exercise, our muscles warm up and blood flow increases. If we abruptly stop exercising, our heart rate and blood pressure drop rapidly and this can lead to dizziness or fainting. By gradually decreasing the intensity of exercise during a cool down, our heart rate and blood pressure can return to normal gradually and reduce the risk of injury.
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