BPK 142 Midterm Questions With Certified Answers

BPK 142 Midterm Questions With Certified Answers Function of Skeletal System -provide framework -attatchement point for muscles -protects vital organs -blood cell formation -mineral storage Major building blocks of bones -calcium carbonate -calcium phosphate -collagen fibres -water bone tissue composed of _________ osteocytes Components of matrix that surrounds bone tissue 25% water 25% protein 50% mineral salts collagen fibres main organic constituent of connective tissue longitudanal growth occurs at _________ epiphyseal plates (layer of cartilage) long bones -longer than they are wide -ends composed of spongy or canceller bone short bones -bones in wrists and ankles -composed of spongy bone covered by shell of compact bone flat bones -bones in face, skull,scapula, ribs, sternum, ilium -broad surface for muscle attatchment -have 2 plates of compact bone with layer of spongy bone in between irregular bones -any bone not in other 3 categories -24 vertabrae, sacrum, coccyx and ear bones function of vertebrae provides flexible support for trunk and protects spinal cord scoliosis abnormal lateral curvature kyphosis hump back lordosis sway back fibrous joints immovable cartilaginous joints slightly movable synovial joints