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5 Cards in this Set
- Front
- Back
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Mechanical
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supports the body - the skeleton is a rigid framework
protects vital internal organs - forms body cavity walls allows for body movement and anchoring points for muscles and acts as levers at joints. |
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Physiological
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storage of minerals - up to 1000x more Ca++ than any other tissue. Ca++ stored in crystal form: Hydroxyapatite crystals, storage and production of blood's cells - hematopoisis in the red marrow, storage of energy lipids stored in the yellow marrow
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Axial Skeleton
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consists of 80 bones around an imaginary midline: skull, vertebral, column, sternum, ribs
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General Information on the Skeletal System
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206 bones in the human body, composed of specialized CT of bone cells embedded in a matrix of ground substance plus fibers. ground substance also contains INORGANIC SALTS.
Result: bone has the strength of iron and the lightness of pinewood, bone is a living, moist, changing tissue that is continually being resorbed, rebuilt and remodeled. |
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Appendicular Skeleton
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consists of 126 bones of the appendages, ie., the upper and lower extremities: pectoral girdle attahces upper extremities to the axial skeleton, pelvic girdle attaches lower extremities to the axial skeleton
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