1. © 2015, Cengage Learning. All Rights Reserved. The Skeletal System Chapter 3

2. © 2015, Cengage Learning. All Rights Reserved. Overview of Structures, Combining Forms, and Functions of the Skeletal System

3. © 2015, Cengage Learning. All Rights Reserved. Bones Primary Function –Act as the framework for the body –Protect the internal organs –Store the mineral calcium Related Word Parts (Combining Forms) –oss/e, oss/i –oste/o, ost/o (continues)

4. © 2015, Cengage Learning. All Rights Reserved. Bones Typical Long Bone (continues) © Cengage Learning

5. © 2015, Cengage Learning. All Rights Reserved. Bones (continues) © Cengage Learning

6. © 2015, Cengage Learning. All Rights Reserved. Bones (continues) © Cengage Learning

7. © 2015, Cengage Learning. All Rights Reserved. Bones (continues) © Cengage Learning

8. © 2015, Cengage Learning. All Rights Reserved. Bones (continues) © Cengage Learning

9. © 2015, Cengage Learning. All Rights Reserved. Bones (continues) © Cengage Learning

10. © 2015, Cengage Learning. All Rights Reserved. Bones © Cengage Learning

11. © 2015, Cengage Learning. All Rights Reserved. Bone Marrow Primary Function –Red bone marrow forms some blood cells. –Yellow bone marrow stores fat. Related Word Parts (Combining Forms) –myel/o (also means spinal cord)

12. © 2015, Cengage Learning. All Rights Reserved. Cartilage Primary Function –Creates a smooth surface for motion within the joints –Protects the ends of the bones Related Word Parts (Combining Forms) –chondr/o

13. © 2015, Cengage Learning. All Rights Reserved. Joints Primary Function –Work with the muscles to make a variety of motions possible Related Word Parts (Combining Forms) –arthr/o (continues)

14. © 2015, Cengage Learning. All Rights Reserved. Joints © Cengage Learning

15. © 2015, Cengage Learning. All Rights Reserved. Ligaments Primary Function –Connect one bone to another Related Word Parts (Combining Forms) –ligament/o (continues)

16. © 2015, Cengage Learning. All Rights Reserved. Ligaments © Cengage Learning

17. © 2015, Cengage Learning. All Rights Reserved. Synovial Membrane Primary Function –Forms the lining of synovial joints –Secretes synovial fluid Related Word Parts (Combining Forms) –synovi/o, synov/o

18. © 2015, Cengage Learning. All Rights Reserved. Synovial Fluid Primary Function –Lubricant that makes smooth joint movements possible Related Word Parts (Combining Forms) –synovi/o, synov/o

19. © 2015, Cengage Learning. All Rights Reserved. Bursa Primary Function –Cushions areas of joints that are subject to friction during movement Related Word Parts (Combining Forms) –burs/o

20. © 2015, Cengage Learning. All Rights Reserved. Key Word Parts and Definitions ankyl/o –crooked, bent, stiff arthr/o –joint chondr/i, chondr/o –cartilage cost/o –rib (continues)

21. © 2015, Cengage Learning. All Rights Reserved. Key Word Parts and Definitions crani/o –skull -desis –to bind, tie together kyph/o –bent, hump lord/o –curve, swayback bent (continues)

22. © 2015, Cengage Learning. All Rights Reserved. Key Word Parts and Definitions -lysis –loosening or setting free myel/o –spinal cord, bone marrow oss/e, oss/i, ost/o, oste/o –bone scoli/o –curved, bent (continues)

23. © 2015, Cengage Learning. All Rights Reserved. Key Word Parts and Definitions spondyl/o –vertebrae, vertebral column, backbone synovi/o, synov/o –synovial membrane, synovial fluid -um –singular noun ending

24. © 2015, Cengage Learning. All Rights Reserved. Questions

25. © 2015, Cengage Learning. All Rights Reserved. Question There are 15 phalanges (finger bones) in a human hand. True or False?

26. © 2015, Cengage Learning. All Rights Reserved. Question Nearly one-fourth of all human bones can be found in the feet. True or False?

27. © 2015, Cengage Learning. All Rights Reserved. Question Babies are born with 300 bones, but by adulthood, we have only 206. True or False?

28. © 2015, Cengage Learning. All Rights Reserved. Question The largest bone in the human body is the: a.femur b.pelvis c.fibula