Answer:
B. participating in regular exercise
Step-by-step explanation:
Physical fitness is the ability of a person to perform physical activities safely, avoiding the risk of suffering health problems or injuries. Physical fitness is the ability to perform physical or muscular activity satisfactorily.
Physical fitness is related to the vitality and energy that a person has. It determines its vigor and dynamism for the practice of activities that require physical effort. For this reason, we can say that exercising regularly is the best way to improve fitness.