Question

what is at the top of the physical activity pyramid for teens? *
the only way to produce fitness and health benefits through physical activity is to require your body to do more than it normally does
energy balance
moderate physical activity
the amount and intensity of your exercise should be increased gradually
exercises you perform determines the particular benefits you receive

Explanation:

The Physical Activity Pyramid for teens has different levels of activities. At the top are the least - frequent activities. Moderate physical activity is a general category of activity that is not at the top. Energy balance is related to diet and activity but not the top of the pyramid. The idea of gradually increasing exercise is a principle of exercise progression. The statement about the body having to do more than normal for fitness benefits is a general concept of overload in fitness. However, the top of the Physical Activity Pyramid for teens is about the least - frequent activities which is related to the idea that the amount and intensity of exercise should be increased gradually as it represents the more intense and less - frequent end of the activity spectrum.

Answer:

The amount and intensity of your exercise should be increased gradually