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HUMAN BIO: Skeletal

QuestionAnswer
adult humans have how many bones? 206
osteoblasts produce bone cells, also build new bone
osteosite maintain bone tissue
osteoclats dissolve bone tissue (resorption)
synarthrotie joints immoveable joints, called structures
diarthrotic joints freely moveable joint, have synovial fluid
amphiarthortic joints slightly moveable joint, vertebrae
ball and socket shoulder/hip
hinge elbow/knee
pivot lower arm
saddle thumb
frontals soft spots of infants skull
foramen large opening through bottom of skull where spinal cord enters
disease-rickets caused by a vitamen D defiecience, causes weak, brittle bones that fracture easily with bone and muscle pain
Created by: Al22
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