Which of the following statements about bone remodeling and repair is correct?
A. Bone remodeling does not involve the activity of the osteoclasts and the osteoblasts.
B. As a long bone increases in diameter, the size of the marrow cavity decreases.
C. The rate of bone remodeling increases in the elderly.
D. Bone remodeling involves removal of old bone by osteoblasts.
E. Exposure of a bone to increased mechanical stress can lead to bone remodeling.
Answer: E
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