2. The Skeletal System Lesson 3 by Jim Alton

3. Objective Name the classification of bones Diagram the interior of a bone Explain how bones and muscles attach Define and List the main types of joints Identify and Label the movable joints

4. Bone Classification LONG BONES SHORT BONES FLAT BONES IRREGULAR BONES

5. Strong and Light The tubular shape of most of the bones in your body make the bones strong, yet light.

6. Structure of Bones PERIOSTEUM – Tough outer membrane (pĕr'ē-ŏs'tē-əm) ARTICULAR CARTILAGE – Smooth jointed surface COMPACT BONE – Thick layer beneath periosteum SPONGY BONE - Inside Layer BONE MARROW Red marrow – (blood cells) Yellow marrow – (energy reserve – can be converted to red marrow)

7. Getting Connected – Bone to Bone Ligaments – tough fibrous band of connective tissue that holds bones together.

8. Getting Connected – Muscle to Bone Tendons – a tough band of fibrous connective tissue that connects muscle to bone, or muscle to musclefibrous connective tissuemusclebone

9. Joints Between Bones Joints make movement possible Each kind allows movement in a different way

10. Ball and Socket Joints

11. Hinge Joints

12. Gliding Joints

13. Pivot Joints

14. Fixed Joints

15. How about a Quiz?

16. A B D C Example of a long bone cranium patella femur carpals

17. A B D C Example of irregular bone phalanges metacarpals radius vertebra

18. A B D C Connect muscle to bone tarsals tendons phalanges ligaments

19. A B D C Tough outer membrane of bone humerus fibula periosteum sternum

20. A B D C tough fibrous band of connective tissue that holds bones together ligaments phalanges radius mandible

21. A B D C red marrow is located here Periosteum Spongy bone Articular cartilage Compact bone

22. A B D C What makes bones strong and light? fibrous Cartilaginous synovial Tubular shape

23. A B D C Name that joint! (shoulder) hinge Ball and socket saddle glide

24. A B D C Name that joint! (elbow) Hinge Ball and socket saddle glide

25. A B D C Name that joint! (skull) sliding Ball and socket fixed hinged

26. A B D C Example of a flat bone Ball and joint skull femur metacarpals

27. Is someone guessing? Please try again. ?

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57. Correct! Well done! ?

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67. Is someone guessing? Please try again. ?

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70. Correct! Well done! ?

71. Good Job! Next lesson – Muscles