Skeletal System Skeletal Anatom y

Human Anatomy & Physiology: Skeletal System ; Ziser, Lecture Notes, Systembones, cartilage and ligaments are tightly joined toform a strong, flexible frameworkbone is active tissue:!5-7% bone mass/weekFunctions of Skeletal System :1. Supportstrong and relatively light; 20% body weight2. Movementframework on which muscles actact as levers and pivots3. Protectionbrain, lungs, heart, reproductive system4. Mineral storage (electrolyte balance99% of body s calcium is in bone tissue(1200-1400g vs < in blood, rest in cells)also stores phosphate5. Hemopoiesisblood cell formation6. Detoxificationbone tissue removes heavy metals and other foreign materialsfrom bloodcan later release these materials more slowly for excretionbut this can also have bad consequencesHuman Anatomy & Physiology: Skeletal System ; Ziser, Lecture Notes, Anatomyeach individual bone is a separate organ of theskeletal System ~270 bones (organs))

Human Anatomy & Physiology: Skeletal System; Ziser, Lecture Notes, 2010.4 2 Skeletal Anatom y each individual bone is a separate organ of the skeletal system ~ 270 bones (organs) of the Skeletal System w ith age the num ber decreases as bones fuse by adulthood the num ber is 206 (typical) even this num ber varies due to varying num bers of m ...

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