Final answer:
Running is a high-intensity aerobic activity that increases heart rate and energy expenditure.
Explanation:
Running is an example of a high-intensity aerobic activity. It involves moving large muscles in a rhythmic manner for a sustained period, causing the heart to beat faster than usual.
Other examples of high-intensity aerobic activities include vigorous cycling and fast swimming, which also increase heart rate and require significant energy expenditure.
These activities fall under the category of aerobic exercise, which relies on the aerobic energy-generating process and helps strengthen the cardiovascular system.
Learn more about aerobic exercise here:
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