Integumentary and Musculoskeletal Systems
Questions
Question 1 (5 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 (5 points)
Name three (3) functions of the skin. For each function, describe the structures in the skin that contribute to that function.
Question 3 (5 points)
Name the three (3) types of muscle tissue. What characteristics are common to all three types? What are some unique aspects of each type?
Question 4 (5 points)
Curare is a plant-based poison that blocks acetylcholine receptors. Based on your understanding of muscle function, explain how paralysis results when an animal is shot with an arrow dipped in curare. Why does curare paralyze skeletal muscles without affecting contraction of the heart?
