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skeleton made of
bones and cartilage
number of bones in adult body
206
bone is a type what tissue
connective, matrix (osteiod)
axial skeleton
bones on or near midline, ex) skull, vertebral column, ribcage
appendicular skeleton
bones away from midline, limbs and bones attached to trunk, ex) arms and legs, shoulder,hips
support
bones provide a framework that supports the body
protection
skull(brain), vertebrae( spinal cord), ribcage (heart, lungs)
anchorage
skeletal muscles attach to bones by tendons, using bones as levers to move body