1. Them Bones or….. The Human Skeleton

2. Main Parts of Human Skeleton

4. Location of main bones

7. Functions of skeleton  Support  Movement  Protection

8. Can you remember? What are those three functions? Support Protection Movement Hold us upright Ribs protect the lungs heart etc Anchor for the muscles

9. Getting about…. Movement

10. Bones and muscles of the arm biceps radius humerus ulna

11. How would YOU raise the arm? biceps radius humerus ulna

12. Muscles work in pairs (antagonistic pairs) bone pulled upward triceps relaxes

13. How would you lower the arm? biceps triceps ulna radius humerus

14. They are called an antagonistic pairs bone pulled downward biceps relaxes

15. Watch the muscles….

16. They only contract

17. They can not push

18. They only pull

19. That’s why they work in pairs

21. They are called an antagonistic pairs

22. A Synovial Joint Bone Ligaments hold the bone together Cartilage protects end of bone Synovial fluid stops wear Capsule Membrane

24. Connective Tissue Tendon Muscle to bone Ligament bone connected to bone Cartilage protects end of bone

25. A Joint is where the bones are allowed to move about each other, this is called a hinge

27. Bone Marrow  Red blood cells are made in the marrow or inside of the bones

28. Can you remember? How many functions does the skeleton have? 3

29. Can you remember? What are those three functions? Support, Protection and Movement Tendon, Cartilage and ligament Joints types – Ball and socket, hinge, pivot and fused

30. H/w  P67  Q 1,4,5,6.