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Body Systems

Body Systems. The Skeletal System. Functions of the Skeletal System. 1. Support 2. Protection 3 . Movement 4. Storage and 5. Production of Materials. Development of Bones. Living structures – undergo change through life Starts as CARTILAGE: tough supportive tissue, softer than bone

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Body Systems

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  1. Body Systems The Skeletal System

  2. Functions of the Skeletal System 1. Support 2. Protection 3. Movement 4. Storage and 5. Production of Materials

  3. Development of Bones • Living structures – undergo change through life • Starts as CARTILAGE: tough supportive tissue, softer than bone • OSSIFICATION: Process of cartilage being replaced by bone • Minerals are deposited in developing bone

  4. Structure of Bones Compact Bone Spongy Bone Red Marrow Yellow Marrow

  5. Joints Allow for movement, protect bones from friction and force Some moveable, some immovable LIGAMENTS: strong, fibrous bands that hold together bones at joints

  6. Joints

  7. Keeping Healthy • Eating Well • Adequate intake of calcium and phosphorus • OSTEOPOROSIS: significant mineral loss causing weak bones • Potassium, magnesium, Vitamins A, C, and D • Exercising • Get plenty of weight bearing exercise – also helps prevent osteoporosis

  8. Keeping Healthy • Avoid Bone Injuries • FRACTURES: any break in a bone

  9. Ouch! Joe Theisman Soccer Player Breaks Leg

  10. Keeping Healthy • Avoiding Joint Injuries • SPRAINS: an overstretched or torn ligament • Marcus Lattimore

  11. Keeping Healthy • Avoiding Joint Injuries • DISLOCATIONS: the ends of the bones in a joint become forced out of their normal positions CJ Mosley - Hip Dwayne Wade - Shoulder Andrew Bogut - Elbow Baron Davis - Patella

  12. Keeping Healthy • Avoiding Joint Injuries • Torn Cartilage: damage to cartilage between bones • Overuse Injuries: activities too strenuous or too often • Shoulders and knees

  13. Keeping Healthy • Avoiding Joint Injuries • Arthritis

  14. Keeping Healthy • Avoiding Joint Injuries • Bursitis

  15. Keeping Healthy • Medical Check-ups • Check for SCOLIOSIS: abnormal curvature of the spine • Monitor height and weight to ensure normal growth

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