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7th Grade Chapter 17 Skelatal System Part 1
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| SKELATAL SYSTEM | all the bones in the body; forms an internal, living framework that provides shape and support, protects internal organs, moves bones, forms blood cells, and stores calcium and phosphorus compounds for later use. |
| PERIOSTEUM | tough, tight-fitting membrane that covers a bone's surface and contains blood vessels that transport nutrients into the bone. |
| CARTILAGE | tough, flexible tissues that joins vertebrae and makes up all or part of the vertebrate endoskeleton; in humans and, thick, soft, smooth, flexible, and slippery tissue layer that covers the ends of bone, makes movement easier by reducing friction , and absorbs shocks |
| LIGAMENT | tough band of tissue that holds bones together at joints |
| JOINT | any place where two or more bones come together: can be moveable and immovable |
| MUSCLE | Organ that can relax, contract, and rpivide the force to moves bones and body parts |
| INVOLUNTARY MUSCLE | such as heart muscle, that CANNOT be consciously controlled. |
| VOLUNTARY MUSCLE | muscles such as leg or arm muscles that CAN be conscientiously controlled. |
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