Biology

Question 1 (10 points) Many people think of bone as static or unchanging. In reality, bone tissue is constantly being remodeled. A. Explain what bone is composed of and which cells break down and replace bone tissue. B. Explain why bone remodeling is important, both on a daily basis and also throughout our early development. C. Discuss problems associated with bone remodeling that may arise as we age. Question 2 (10 points) Review all the sensory receptors discussed in your textbook( photoreceptors, chemoreceptors, mechanoreceptors, thermoreceptors, nociceptors, osmoreceptors0. Describe which ones are used by a runner during a marathon (there are many!) and explain the importance of each.