D1 - Stucture & Movement
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21 terms
Terms | Definitions |
|---|---|
 cardiac muscle | striated, involuntary muscle found only in the heart |
| cartilage | thick, smooth, flexible and slippery tissue that covers the end of bones and makes movement easier by reducing friction and absorbing shocks |
| dermis | skin layer below the epidermis that contains blood vessels, nerves, oil glands, and sweat glands |
| epidermis | outer, thinnest skin layer that constantly produces new cells to replace the dead cells rubbed off its surface |
| involuntary muscle | muscle that cannot be consciously controlled |
| joint | any place where two or more bones come together |
| ligament | tough band of tissue that holds bones together at joints |
| melanin | pigment produced by the epidermis that protects skin from sun damage and gives skin and eyes their color |
| muscle | organ that can relax, contract, and provide the force to move bones and body parts |
| periosteum | tough, tight-fitting membrane that covers a bone's surface and contains blood vessels that transport nutrients into the bone |
| skeletal muscle | voluntary, striated muscle that moves bones, works in pairs, and is attached to bones by tendons |
| skeletal system | living internal framework that provides shape and support, protects internal organs, forms blood cells, and stores calcium and phosphorus compounds for later use |
| smooth muscle | involuntary, nonstriated muscle that controls movements of internal organs |
| voluntary muscle | muscle, such as a leg or arm muscle, that can be consciously controlled |
| compact bone | hard, strong layer of the bone that contains deposits of calcium phosphate |
| spongy bone | contains open spaces that help make bones lighter, and where marrow is found |
| tendon | thick band of tissue that attaches skeletal muscle to bone |
| muscular system | responsible for how you move, production of heat in your body, and body shape |
| skin | largest organ; provides protection, sensory response, formation of vitamin D, regulation of body temperature, and removal of some wastes |
| skin graft | piece of skin that is cut from one part of the body an moved to an injured or burned area where there is no skin |
| Vitamin D | produced in the presence of ultraviolet light; essential to health by helping absorb calcium from food |
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