Final answer:
Physical exercise is any bodily activity that enhances or maintains physical fitness and overall health. Examples include walking, swimming, and household or yard work. There are three types of physical exercise: aerobic, anaerobic, and flexibility exercises.
Step-by-step explanation:
Physical exercise is any bodily activity that enhances or maintains physical fitness and overall health. It includes activities such as walking, swimming, and household or yard work. The Centers for Disease Control and Prevention and the Surgeon General recommend that adults engage in at least 30 minutes of moderate exercise daily.
Physical exercise can be classified into three types: aerobic exercise, anaerobic exercise, and flexibility exercise. Examples of physical exercise include playing soccer and rock climbing.