a thinning and weakening of bone is a disease in which osteoclasts are more active than what?
early mortality organisms body parts cell division steroids humans osteoblasts similar
A B C D E F G H
a thinning and weakening of bone is a disease in which osteoclasts are more active than what? (A) early mortality (B) organisms (C) body parts (D) cell division (E) steroids (F) humans (G) osteoblasts (H) similar