Whats the best indicator of the efficiency of exercise?

Which term defines one's age as measured in years? chronological age biological age social age mental age

In summing we use which law of motion

Which of the following defines scoliosis? a. a posture disorder characterized by the shoulders being rounded and the back hunched b. a posture disorder in which the spine curves up the back like a snake c. a posture disorder characterized by excessive curvature or arch in the lower back d. none of the above