skeletal system

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Author:
tinnaa012
ID:
117079
Filename:
skeletal system
Updated:
2011-11-15 17:18:30
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  1. compare n contrast various types of bones in body
    • -long bones are wide and long; shaft w/ 2 rounded ends n composed of compact bone; arms, legs
    • -short bones are cube shaped n composed of spongy bone; found in tarsals n carpals
    • -flat bones are curved n protect organs; in ribs, cranium
    • -irregular bones found in hip nd vertabrae
  2. where is the bone marrow found in the bone?
    medullary cavity
  3. what is difference btw yellow & red marrow
    yellow- in adult, red in infants
  4. major types of cells located within bones;
    • -osteocytes - unit of a bone
    • -osteoclasts - bone destroying
    • -osteoblasts - bone forming
  5. 2 parts of skeletal system
    -axial and appendicular
  6. functions of skeletal system;
    • -supports body
    • -protection of organs
    • -storage of minerals n fats
    • -movement of muscles
    • -blood cell formation
  7. shaft(composted of compact bones
    diaphysis
  8. the ends of the bone, composed of spongy bone
    epiphysis
  9. outside covering of diaphysis
    periosteum
  10. this fracture breaks into many fragments
    comminuted
  11. fracture that bone is crushed
    compression
  12. fracture that broken bone ends are foced into each other
    impacted
  13. fracture that bone is pressed inward
    depressed
  14. fracture that twists are applied
    spiral
  15. bone that breaks imcompletely
    green stick
  16. during repair of bone fractures,
    hemetoma is formed
  17. axial skeleton is divided into 3 parts
    • -skull
    • -vertebral column
    • -bony thorax
  18. skull has 2 sets of bones;
    • -cranium
    • -facial bones
  19. skull bones are joined by
    sutures
  20. hollow portions of bones surrounding the nasal activity
    paranasal sinuses
  21. function of paranasal sinuses;
    lighten the skull n give resonance and amplifcation to voice

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