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Sasser Skeletal

Life Science

TermDefinition
Skeletal System the organ system whose primary function is to support and protect the body and allow the body to move
osteoblasts minerals that are deposited by living cells
compact bone no visible open space; rigid and dense; tiny canals that contain blood vessels
spongy bone many open space; provides most of the strength and support for a bone
marrow soft tissue
red marrow produces both red and white blood cells
yellow marrow found in the central cavity of long bones, stores fat
cartilage soft tissue; helps cushion the area in a joint where bones meet; covers the end of many bones Example: enf of nose and top of ear
joints where two bones meet
hinge joints allow you to flex and extend; Example: lower leg
gliding joints allows bones to glide over one another and allows some flexibility to the area Example: wrist and hand
ball and socket joint lets you move freely in all directions Example: shoulder lets arm move all around
ligaments strong elastic bands of connective tissue; connect the bones in a joint
osteoporosis disease that causes bones to becom less dense
arthritis effects the joints; joints may swell or stiffen
Created by: bsasser