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anatomy quiz 1

skeletal system

skeletal system composed of: bones: 206 (most in feet and hands)
6 functions: *stability support *protection (brain, heart lungs) *RBC/WBC production in bone marrow *mineral storage: calcium, phosphorus, magnesium, sodium *movement: lever systems *fat storage
divisions 1 of 2: axial skeleton:80 bones *skull:29 *vertebrae:26 *sternum:1 *ribs:24 total, 7 true, 3 false, 2 floating
long: arms/legs (longer than wide)
steoblates: builds bone
ossification: process of bone development/building
epiphysis: ends of bones
epiphyseal plate: growth plate between bones
periosteum: connective tissue
between bones: tib/fib, radius/ulna
spine disorders *kyphosis:humpback *lordosis:swayback *scoliosis:"scure of spine"
joints: where bones meet
cartilage: between our bones
connective tissue: holds joints together
ligaments: connects (bone/bone)
tendons: connects (muscle/bone)
short: cube shaped: carpal/torsels
flat: sternum/scapula
sesmoid: bone embedded in tendon: patella/skull
irregular: everything else (vertebrae,pelvis,ribs)
divisions 2 of 2: apendigens/appendicular skeleton:126 bones *shoulder gridle: 4 *upper limb: 60 total/30per side *pelvic gridle: 2lower *limb: 60
osteocytes: matures bone
osteoclats: breaks down bone
Created by: jesmaria