BIO-SKELETAL SYSTEM

• Axial skeletal system


  One of the two major divisions of the skeletal system
• Appendicular skeletal system


  One of the two major divisions of the skeletal system
• Primary function of skeletal system

  To support the body
• There are 206 bones in the adult human skeleton
• Compact bone


  More dense than spongy bone
• Spongy bone


  Less dense than compact bone
• Classification of bones by shape

  • Long
  • Short
  • Flat
  • Irregular
• Diaphysis


  Provides support in a long bone
• Epiphysis


  Composed of spongy bone in a long bone
• Medullary cavity


  Contains yellow marrow in a long bone
• Bone growth in children

  Continuous formation of new cartilage
• Classification of joints by function

  • Synarthroses
  • Amphiarthroses
  • Diarthroses
• Hyoid bone


  Protects the tongue
• There are 33 vertebrae in the human spinal column
• Atlas


  First vertebral column
• Sternum


  Supports the body
• Classification of bones by location


  • Axial
  • Appendicular
  • Hyoid
• Pelvis


  Protects the reproductive organs
• Classification of joints by structure


  • Fibrous
  • Cartilaginous
  • Synovial
• Meninges


  Protect the brain
• Femur


  Largest bone in the human body
• Skeletal system's function in movement

  To facilitate movement