Problem
Choose one of the two questions below to answer in the space that follows. Read each question carefully and answer all parts of the question you choose.
• Choice I: Describe the process of fracture repair. What are the main steps and when does each occur? Explain how each of the steps compares and contrasts with the skin healing process.
• Choice II: Describe the steps involved in the process of endochondral ossification. What bones does this occur in? Why is it considered a "trick" that bones use to get around the fact that bone cells can only grow by appositional growth? Why is this "trick" necessary?