The Skeletal System

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This power point highlights the basic information taught in our 5th grade class.

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  • The Skeletal System

    1. 1. The Skeletal System
    2. 2. -Your Support System Bones
    3. 3. A: Purpose - The function of the Skeletal system 1. To Support 3.To Protect 2. Gives Shape 4. Helps Move
    4. 4. B; Facts: 1. ___________ Bones in the Skeleton 206 2. Classifided into 4 groups: A: Skull B: Backbone C: Trunk bones D: Arm and Leg Bones
    5. 5. C: Parts: 1. Skull A. Protects ___________and gives head shape B. Made up of 22 bones(only moveable is jaw) C. The smallest are in the inner ear Brain
    6. 6. 2. Backbone: A: _______________Spinal Coard B: Made of 33 bones called vertebra Protects C: Support weight of body
    7. 7. 3: Ribcage A: Protects ___________ and Lungs Heart
    8. 8. 4. Pelvis A: Protects the and the. Liver Kidneys
    9. 9. II. Cartilage: Ex: Gristle of meat A: Characteristics 1. Smooth 2. Spongelike 3. Tough and Flexible
    10. 10. B. Function 1. Cushions bones when you walk and move. 2. Reduces friction on ends of the bones.
    11. 11. C. Location 1. Found between bones 2. Nose, ear, trachea (Windpipe)
    12. 12. III. Ligaments A. Fibers 1. Strong and Tough 2. Hold bones together at Joints
    13. 13. IV. Joints: Where bones are joined together A. Purpose- Allow for Movement
    14. 14. B. Types of Joints: 1. Fixed joint- Moves very little Skull
    15. 15. 2. Ball and socket- Allows to move in large circles. Hips shoulders
    16. 16. 3. Hinge Joints- -Allows movement back and forth Knees Elbows
    17. 17. 4-Gliding Joint Allows bones to move in a twisting motion Wrist Between Vertebrae
    18. 18. 5. Pivot Joint Movement up and down and in a circle Connects Head
    19. 19. V. Keeping Bones Healthy A. Need _______________ Calcium Without this, bones become soft
    20. 20. B. Vitamin D Good Source is MILK
    21. 21. C. Diseases of the Bones 1. Osteoporosis -results in a loss of Calcium, bones become soft -Leaves bones thin, brittle and easily broken
    22. 22. 2. Scoliosis Lateral curvature of spine - Unequal shoulders and back pain
    23. 23. 3. Rheumatoid Arthrits An inflammation of joints -Chronic Pain
    24. 24. VI. Safety A. Use Helmets B. Keeping things off steps to prevent falls
    25. 25. VII. First Aid A. Sprains <ul><li>Apply ice pack for the first 12 hours </li></ul><ul><li>and heat pack for next 12 hours. </li></ul>
    26. 26. B. Broken 1. DO NOT MOVE 2. GET HELP!
    27. 27. C. Two types of broken bones 1. Fracture 2. Compound Fracture Bones break through the skin

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