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THE SKELETON

206 Bones of the Skeleton

Human Skeleton Sketch
Skeletal System: Welcome

FUNCTIONS OF THE SKELETAL SYSTEM

FRAMEWORK AND SUPPORT

  • anchors soft tissues and organs​

  • supports the torso through the alignment of the weight-bearing bones in the lower extremities and spine

PROTECTION

  • internal organs of both ventral and dorsal cavities​

  • provide protective channels and openings for the eyes, ears, nose, blood vessels, and nerves

LEVERS AND FULCRUMS

  • needed for locomotion​

MINERAL STORAGE

  • primary storage for calcium, phosphorus, and other minerals​

BLOOD CELL PRODUCTION

  • Process of blood cell formation, or hematopoiesis​

  • produces red bone marrow that produces all three types of blood cells. 

Skeletal System: List

206 BONES

ORGANIZED INTO 2 DIVISIONS
Axial ~ Appendicular

Organized into two divisions.

Skeletal System: About
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206 BONES
OF THE SKELETON

ORGANIZED INTO 2 DIVISIONS

Skeletal System: Team Members

AXIAL SKELETON

  • Skull

    • Cranial ​

      • Frontal (1)​

      • Parietal (2)

      • Occipital (1)

      • Temporal (2)

      • Ethmoid(1)

      • Sphenoid (1)

    • Facial

      • Nasal​

      • Zygomatic

      • Maxilla

      • Mandible

      • Lacrimal

      • Vomer

      • Palatine

  • Anterior Neck

    • Hyoid​

  • Spine

    • Vertebra (33)​

  • Thoracic/rib cage

    • Sternum​

    • Rib (12 pairs)​​

APPENDICULAR

  • Pectoral girdle

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