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Skeletal/Muscular
| Question | Answer |
|---|---|
| vertebral column | center of the skeleton; made of 26 vertebrae |
| joint | a place where two bones meet |
| bone | a complex living structure that undergoes growth and development |
| compact bone | beneath outer membrane; hard and dense; contains canals that carry blood vessels and nerves to living cells in bone |
| spongy bone | has small spaces within it; found at the end of the bone |
| bone marrow | soft connective tissue found inside many bones |
| red marrow | produces some of the body's blood cells |
| yellow marrow | stores fat as an energy reserve |
| ligament | connective tissue in between two bones in moveable joints |
| tendon | connective tissue that attaches muscles to bones |
| cartilage | connective tissue located at the end of some bones and prevents some bones from rubbing into one another |
| involuntary muscles | muscles that are not under your conscious control; ex- stomach churning food |
| voluntary muscles | muscles that are under your conscious control; ex- walking (skeletal muscles) |
| skeletal muscle | attached to your bones, provides the force to move bones |
| smooth muscle | inside many internal organs, helps move substances inside the body; ex- blood vessels |
| cardiac muscle | found only in the heart |
| muscle cramp | when one muscle contracts and stays contracted |