What Differences in the Musculoskeletal System of Children Make Their

What differences in the musculoskeletal system of children make their bones able to absorb more energy before breaking and to heal more quickly?

A) Adults do not take in as much calcium as children do, thus their bones are weaker.
B) Children's bones have more cartilage and a stronger periosteum.
C) The muscles and ligaments in adults are not as strong as those of children.
D) Children have a better diet and take in more vitamins and minerals than adults do.