1. What are the steps in the repair of broken bones? How is this process similar to or different from the normal growth of a bone?
2. In Week 2, we saw how cells of similar size, shape, and function form tissues. As a tissue, muscle is very diverse. Let's kick off our study of muscles by discussing the subtypes of muscle tissue, beginning with smooth muscle. Where do we find this muscle tissue, how does it contract, and what are its defining characteristics? In what ways are smooth muscles working in your body right now?