Menanno Bones, Muscles and Skin Vocab
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| Cell | The basic unit of structure and function in a living thing.
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| Cell Membrane | Forms the outside boundary of the cell
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| Nucleus | The control center that directs the cell's activities and function.
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| Cytoplasm | The material within a cell apart from the nucleus that contains organelles. It is clear and jellylike.
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| Muscle Tissue | Allows the body to move. It can contract and shorten.
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| Nervous Tissue | Cells that enable you to think, hear and see. They control all movement.
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| Connective Tissue | Provides support for your body and it connects all parts.
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| Epithelial Tissue | Protects delicate structures that lie beneath. Example is skin.
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| Organ | Structure that is composed of different kinds of tissue. It performs a specific job and is more complex than a tissue.
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| Organ System | The body has 11 organ systems.
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| Homeostasis | The process by which an organism's internal environment is kept stable in spite of changes int he external environment.
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| Stress | The reaction of your body to potentially threatening, challenging or disturbing events.
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| joint | a place in the body where 2 bones come together
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| skeleton | frame work made up of all the bones in your body
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| vertebrae | the 26 small bones that make up your backbone.
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| cartilage | another type of connective tissue that is more flexible than bone
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| Compact Bone | The second layer of bone that is hard and dense but not solid.
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| Spogy bone | has many small spaces it is lightweight but strong
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| marrow | comes in two types red and yellow
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| Red Marrow | Produces most of the bodies blood cells
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| Yellow marrow | Stores fat that can be used as an energy reserve
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| osteoporosis | a condition in which the bodies bones become weak and break easily.
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| fracture | a break in a bone
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| dislocation | an injury in which a bone comes out of it's joint
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| sprain | an injury in which the ligament holding bones together are stretched too far and tear.
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| x-ray | a form of energy that travels in waves
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| magnetic resonance imaging (MRI) | a method for taking images of both the bones and soft tissues of the body
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| arthritis | a disease of the joints that makes movement painful
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| arthroscope | a slim tube-shaped, surgical instrument that doctors use to diagnose a problem in a joint.
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| involuntary muscle | a muscle that is not under conscious control- heart
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| voluntary muscle | a muscle that is under conscious control, mouth
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| skeletal muscle | a muscle that is attached to the bones of the skeleton and provide the force for movement
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| tendon | strong connective tissue that attaches muscle to bone
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| striated muscle | a muscle that appears banded;also called skeletal muscle
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| smooth muscle | involuntary muscle found inside many internal organs of the body
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| cardiac muscle | muscle tissue found only in the heart
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| epidermis | outer layer of skin
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| melanin | a pigment that gives skin its color
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| dermis | inner layer of skin
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| pore | an opening through which sweat reaches the surface of the skin
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| follicle | structure in the dermis of the skin from which a strand of hair grows.
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| cancer | a disease in which some body cells divide uncontrollably.
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