What is physical activity? question 24 options:
a.any bodily movement that is produced by the contraction of skeletal muscles and that substantially increases energy expenditure.
b.the ability to perform regular moderate to vigorous levels of physical activity without excessive fatigue
c.planned, structured, and repetitive bodily movement done to improve or maintain one or more components of physical fitness, such as endurance, flexibility, or strength
d.sitting on the couch and playing video ga?