Which statement accurately describes aerobic exercise?

The statement indicating that aerobic exercise sustains activities like running or cycling accurately describes key characteristics of this form of exercise. Aerobic exercise involves continuous and rhythmic activities that rely on oxygen to adequately fuel the body for prolonged periods.

During aerobic activities, the body utilizes oxygen to convert carbohydrates, fats, and sometimes proteins into energy, allowing individuals to engage in sustained physical exertion. This is essential in activities such as running, cycling, swimming, or dancing, where performance is sustained over longer durations. These exercises primarily enhance cardiovascular endurance and improve overall fitness, making them integral to aerobic conditioning.

In contrast, activities that rely exclusively on glucose without oxygen represent anaerobic exercise, which is characterized by short bursts of high energy output, such as sprinting or weightlifting. Additionally, aerobic exercise focuses on enhancing endurance rather than strength, making the distinction between aerobic and anaerobic exercise crucial for understanding various fitness training goals.