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| Term | Definition |
|---|---|
| Circulation | Movement of body fluids containing many substances from one body area to another in a continuous, circular route through hollow vessels |
| Respiration | Exchange of respiratory gases (oxygen and carbon dioxide) between an organism and its environment |
| Golgi apparatus | set of sacs that provides a “packaging” service to the cell by storing material for future internal use or for export from the cell |
| Medial | “toward the midline of the body”; |
| Ascending tracts | conduct sensory impulses up the cord to the brain. |
| Descending tracts | conduct motor impulses down the cord from the brain |
| Synovial membrane | Moist, slippery membrane that lines the inner surface of the joint capsule |
| intercarpal joints | occur at points of articulation be-tween the eight carpal bones |
| Flexion | decreases the angle between bones. It bends or folds one part on another |
| abduction | moves a part away from the median plane of the body, as in moving the leg straight out to the side or fingers away from the midline of the hand |