Final answer:
Increasing physical activity and exercise can help manage weight and improve physical functioning. Exercise promotes weight loss and weight maintenance by increasing cardiovascular fitness, muscular fitness, and bone density and strength.
Step-by-step explanation:
Increasing physical activity and exercise can help manage weight and improve physical functioning. Exercise promotes weight loss and weight maintenance by increasing cardiovascular fitness, muscular fitness, and bone density and strength. It also improves cognitive function and assists in behavior management.