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  • 1. Movement
  • 2. Discuss What does your skeleton do for you? Activity Lets see how many bones on the class skeleton we can identify!
  • 3. Notes
    • Use the Success Guides to complete the diagram showing the functions of the skeleton.
    Functions of the Skeleton
    • Now label your cut out of the skeleton with the bones we identified on the model.
  • 4. Skull Shoulder Blade Rib Cage Sternum Vertebrae Hip Pelvis Knee Cap Metatarsals Tibia Fibula Femur Metacarpals Ulna Radius Humerus Collar Bone
  • 5. Colour in the bones of your skeleton to show those: mainly for protection mainly for support mainly for movement Remember!! Some bones will be used for more than one purpose. The three functions are not always clear cut. Notes
  • 6. Activity Have a look at the radiographs. What bones you can see in each one!
  • 7. Discuss Do you think bones are made of living or dead tissue? Flat Bones Short Bones Irregular Bones Long Bones
  • 8. Hard mineral made by bone cells Blood vessels Flexible fibres containing bone cells Marrow cavity
  • 9. Testing Composition of Bone Fresh chicken bones Immersed in dilute acid for 24 hours to dissolve minerals out of bone Roasted for 2 hours to destroy the organic fibres of living cells The bone becomes flexible The bone becomes brittle
  • 10. Activity Use the bioviewers to look at the bone cells. Notes Structure of Bone -Copy the box with the above heading from p58 of Success Guides. -Stick in and label your own copy of the cross section of bone. -Using p146 of the Torrance book, explain how the living cells build the hard mineral.
  • 11. Activity Your are designers at a factory that makes high tech robots. You have been asked to design a robot’s knee joint. Draw a sketch in your groups to show how the knee will function efficiently.
  • 12. Types of Joint Hinge joint Ball and socket joint Gliding joint Pivot joint
  • 13. Types of Joint -Write a definition of what a joint is. -Glue in you diagrams of a ball and socket, and hinge joint. -Underneath each diagram explain the type of movement performed by the joint. -Give examples of the parts of the body that have these joints. Notes
  • 14. Synovial Joint-Ball and Socket Shoulder blade Ligament Ligament Cartilage Cartilage Synovial membrane Synovial Fluid Capsule
  • 15. -Stick in your copy of a synovial joint. - Add the synovial membrane and capsule, and label the diagram. -Make a table to describe the function of all the structures in a synovial joint. Notes
  • 16. Rheumatoid Arthritis Use the posters to write summary points explaining what arthritis is. Notes
  • 17. Muscles
    • Muscles provide the force needed to move bones at the joints.
    Muscle cell relaxed (long and thin) Muscle cell contracted (short and fat)
  • 18. Antagonistic Muscle Pairs
    • Biceps muscles contract .
    • This pulls the forearm up.
    • Triceps muscles are relaxed .
    • Triceps muscles contract.
    • This pulls the forearm down.
    • Biceps muscles are relaxed .
  • 19.
    • Use the Muscles and Movement box on page 59 of the Success Guides to write notes on how muscles work to move bones.
    • Stick and label your diagrams of the biceps and triceps working to move the forearm
    Notes