Chapter 22 Review ______9. The integumentary system… a. helps regulate body temperature. Complete each of the following sentences by b. helps the body move. choosing the correct term from the word bank. c. stores minerals. homeostasis organ d. None of the above

skeletal system tissue _____ 10. Muscles… a. work in pairs. epidermis dermis b. can be voluntary or involuntary. integumentary system joint c. become stronger if exercised. muscular system d. All of the above 1. A(n) ______is a place Short Answer 11. How do muscles move bones? where two or more bones meet. ______2. ______is the maintenance ______of a stable internal environment. 3. The outermost layer of skin is the 12. Describe the skeletal system, and list four functions of bones. ______. ______4. The organ system that includes skin, hair, and ______nails is the ______. 13. Give an example of how organ systems work together. 5. A(n) ______is made up ______of two or more tissues working together. ______14. List three injuries and two diseases that affect 6. The ______supports and the skeletal system. protects the body, stores minerals, and allows ______movement. 15. Compare aerobic exercise and resistance Multiple Choice exercise. ______7. Which of the following lists shows ______the way in which the body is organized? 16. What are two kinds of damage that may affect a. cells, organs, organ systems, tissues skin? b. tissues, cells, organs, organ systems ______c. cells, tissues, organs, organ systems ______d. cells, tissues, organ systems, organs 17. Compare the shapes of the bones of the human skull with the shapes of the bones of ______8. Which muscle tissue can be both the human leg. How do the shapes differ? voluntary and involuntary? Why are the shapes important? a. smooth muscle c. skeletal muscle ______b. cardiac muscle d.All of the above ______18. Compare your elbows and fingertips in terms ______of the texture and sensitivity of the skin on 23. What is the name and function of a? these parts of your body. Why might the skin ______on these body parts differ? 24. What is the name and function of b? ______25. Which letter corresponds to the part of the skin that is made up of epithelial tissue that contains dead cells? 19. Imagine that you are building a robot. Your ______robot will have a skeleton similar to a human 26. Which letter corresponds to the part of the skeleton. If the robot needs to be able to move skin from which hair grows? What is this part a limb in all directions, what kind of joint called? would be needed? Explain your answer. ______20. Human bones are dense and are often filled with marrow. But many bones of birds are hollow. Why might birds have hollow bones? ______21. Why might some muscles fail to work properly if a bone is broken? ______

Use the cross section of skin below to answer the questions that follow.

22. What is d called? What substance is most abundant in this layer?