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**"The Human Skeleton: Structure and Functions"**

Discover the intricacies of the skeletal system, from bones to joints, and the vital roles they play in protecting organs, supporting the body, and facilitating movement. Learn about different types of bones, joints, and the minerals essential for bone health.

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**"The Human Skeleton: Structure and Functions"**

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  1. Front Skull Back cranium

  2. Front Collar bone Back clavicle

  3. Front Breastbone Back Sternum

  4. Front Ribs Back Costa

  5. Front backbone Back vertebrae

  6. Front Wrist Back carpals

  7. Front Fingers and toes Back Phalanges

  8. Front Knee cap Back patella

  9. Front ankles Back tarsals

  10. Front Upper jaw Back maxilla

  11. Front Lower jaw Back Mandible

  12. Front Shoulder blade Back scapula

  13. Front Upper arm Back humerus

  14. Front Lower arm, thumb side Back radius

  15. Front Lower arm, pinky side Back ulna

  16. Front Hand bones Back metacarpals

  17. Front Upper leg Back femur

  18. Front Bigger lower leg Back tibia

  19. Front Smaller lower leg Back fibula

  20. Front Foot bones Back metatarsals

  21. Front Connects bone to bone Back ligament

  22. Front Functions of cartilage Back • Shock absorber • Shape for ears and nose • Lubricant at joints

  23. Front 5 types of joints Back • Ball and socket • Hinge • Pivot • Fixed • Gliding

  24. Front Ball and socket joint Back • Shoulder, hip • Circular motion

  25. Front Hinge joint Back • Knee, elbow, phalanges • Back and forth motion

  26. Front Pivot joint Back • Radius/ulna, skull/vertebrae • Rotating movement

  27. Front Fixed joint Back • Skull • No movement

  28. Front Gliding joint Back • Vertebrae, carpals, tarsals • Sliding movement

  29. Front 3 parts of the skeletal system Back Bones Cartilage ligaments

  30. Front Place where two bones meet Back joint

  31. Front 5 functions of bones Back • Protects organs • Structure and support for body • Makes blood cells • Stores minerals • Helps you move

  32. Front 4 types/shapes of bones Back • Flat • Long • Short • irregular

  33. Front flat bones Back • Costa, scapula, sternum • Protects organs

  34. Front Long bones Back • Arm and leg bones, phalanges • Supports weight

  35. Front Short bones Back • Carpals, tarsals • Small movements

  36. Front Irregular bones Back • Vertebrae, ear bones

  37. Front Minerals needed by bones Back Calcium and phosphorus

  38. Front 2 kinds of marrow Back Red and yellow

  39. Front Red marrow Back • Makes red blood cells • In flat bones and ends of long bones

  40. Front Yellow marrow Back • Stores fatcells • Found in the middle of long bones

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