The Skeletal System

1. The Skeletal System Chapter 3

2. Overview of Structures, Combining Forms,and Functions of the Skeletal System

3. Bones • Primary Function • Act as the framework for the body • Protect the internal organs • Store the mineral calcium • Formation of red bone marrow (continues)

4. Structure of bones • Bone is the form of connective tissue • 2nd hardest tissue in the body • Dental enamel is #1

5. Bones • Typical Long Bone (continues)

6. Bones (continues)

7. Bones (continues)

8. Bones (continues)

9. Bones (continues)

10. Bones (continues)

11. Bones

12. Bone Marrow • Primary Function • Red bone marrow forms some blood cells. • Yellow bone marrow stores fat.

13. Cartilage • Primary Function • Creates a smooth surface for motion withinthe joints • Protects the ends of the bones

14. Joints • Primary Function • Work with the muscles to make a variety ofmotions possible (continues)

15. Joints

17. Ligaments • Primary Function • Connect one bone to another (continues)

18. Ligaments

19. Synovial Membrane • Primary Function • Forms the lining of synovial joints • Secretes synovial fluid

20. Synovial Fluid • Primary Function • Lubricant that makes smooth joint movementspossible