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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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Presentation Transcript
body systems

Body Systems

The Skeletal System

functions of the skeletal system
Functions of the Skeletal System

1. Support

2. Protection

3. Movement

4. Storage and

5. Production of Materials

development of bones
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

structure of bones
Structure of Bones

Compact Bone

Spongy Bone

Red Marrow

Yellow Marrow

joints
Joints

Allow for movement, protect bones from friction and force

Some moveable, some immovable

LIGAMENTS: strong, fibrous bands that hold together bones at joints

keeping healthy
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
keeping healthy1
Keeping Healthy
  • Avoid Bone Injuries
    • FRACTURES: any break in a bone
slide9
Ouch!

Joe Theisman

Soccer Player Breaks Leg

keeping healthy2
Keeping Healthy
  • Avoiding Joint Injuries
    • SPRAINS: an overstretched or torn ligament
    • Marcus Lattimore
keeping healthy3
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

keeping healthy4
Keeping Healthy
  • Avoiding Joint Injuries
    • Torn Cartilage: damage to cartilage between bones
    • Overuse Injuries: activities too strenuous or too often
      • Shoulders and knees
keeping healthy5
Keeping Healthy
  • Avoiding Joint Injuries
    • Arthritis
keeping healthy6
Keeping Healthy
  • Avoiding Joint Injuries
    • Bursitis
keeping healthy7
Keeping Healthy
  • Medical Check-ups
    • Check for SCOLIOSIS: abnormal curvature of the spine
    • Monitor height and weight to ensure normal growth