Compare and contrast aerobic physical activity with anaerobic physical activity.

Answer:

Both aerobic and anaerobic physical activities improve fitness, but they differ in intensity and duration. Aerobic activities, such as jogging or cycling, are sustained for longer periods and use oxygen to help produce energy. Anaerobic activities, such as sprinting or lifting heavy weights, are short, intense efforts that rely more on energy stored in the muscles. Aerobic activity mainly builds endurance, while anaerobic activity develops strength and power.