The right answer is B.
Participation in regular physical activity, including both aerobic exercise, balance and strength, provides many positive responses, contributes to healthy aging and prolongs the independence of older adults.
Physical exercise makes it possible from a physiological point of view to:
* Increase functional abilities (pulmonary, cardiovascular, muscular function) and psychic.
* Improve body composition (decrease in body fat, increase in muscle mass and bone mineral density)
* Reduce the risk of pathologies (respiratory, cardiovascular, muscular, articular, metabolic, neurodegenerative, cancers)
* Reduce the effects of aging and increase disability-free life expectancy.