Which of the Following Statements Best Describes the Changes That

Which of the following statements best describes the changes that occur in the skeletal system as a person ages?

A) A person's bones begin to soften as they age.
B) Osteoporosis results in increased deposition within the bone.
C) A person develops more synovial fluid and thicker articular cartilage.
D) Bones become brittle and can break, especially in women after menopause.
E) The bone-forming and bone-destroying cells are not involved.