When Considering How the Concept of Center of Mass Affects

When considering how the concept of center of mass affects your patient's movement, which of the following statements is true?

A) Center of pull is another term for center of mass.
B) Each body part, such as a leg or an arm, has its own center of mass.
C) The whole body has a center of mass that cannot be localized.
D) When weight is added to body, the center of mass moves away from the added weight.