15755557856957124823643363633107.jpg - Ch.4.1 Notes The Skeletal System Bone as a living tissue ~ 12 02 2019 85 Functions support framework protection

15755557856957124823643363633107.jpg - Ch.4.1 Notes The...

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Unformatted text preview: Ch.4.1 Notes " The Skeletal System " Bone as a living tissue ~ 12 / 02/ 2019 85 Functions * support- framework * protection - surround organs * movement ~ muscles pull bones * storage ~ minerals * blood cell formation - red bone marrow in medullary cavity Structures * composition ~ osteocytes : mature bone cells * organization ~ cortical + trabecular . shape // long , short , flat , irregular Growth * osteoblasts ~ build bone tissue * osteoclasts ~ break down bone tissue * bone formation ~ ossification * longitudinal~ epiphyseal plate * circumferential growth- change in diameter * adult bone development ~ aging = loss of bone mass IS Bone as living tissue ~ 12 / 03 / 2019 96 Remodeling * hypertrophy of bones : stronger bones * atrophy of bones : weaker bones...
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