Which of the following is not a benefit of good body composition?
a. increased metabolic efficiency
b. reduced risk of cardiovascular disease
c. increased range of movement
d. improved bone and joint 6

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.  

The lungs are the bags that hold air as it is inhaled oxygen gas that is in the air moved into the blood-and the heart pumps to move this oxygenated blood to cells in the body that need energy