Which is true about the growth of long bones?
A. Osteoclasts are responsible for depositing new bone tissue at the epiphyseal growth plate before puberty.
B. Osteoblasts dissolve bone tissue when bones remodel in response to sex hormones.
C. Before adolescence, bones are completely made up of cartilage; after puberty they ossify and harden.
D. Growth in length occurs at a single epiphyseal growth plate in the center of the shaft of long bones.
E. Growth in length occurs at two epiphyseal growth plates near the ends of long bones.
Answer: E
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