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