The answer is letter C.
Increase
in the range of movements of the body is a benefit of having flexibility. Flexibility is a very important component in exercise.
Without flexibility the range of motion of joints will be limited which will
result to serious injuries. The rest of the choices are benefits of having a
normal body composition. It is often based in a specific standard that is set
by health organizations to determine whether an individual is within or above
the normal range in the population.
