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19 Cards in this Set
- Front
- Back
cell
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The basic unit of structure and function in a living thing
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cell membrane
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the outside boundary of a cell
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nucleus
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the control center of a cell that directs the cell's activities and contains information that determines the cell's characteristics
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cytoplasm
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the area in a cell between the cell membrane and the nucleus; contains a clear, jelly like substance in which cell structures are found
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tissue
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a group of similar cells that perform the same function
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muscle tissue
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the body tissue that contracts and shortens, making body parts move
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nerve tissue
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a body tissue that carries messages back and forth between the brain and every other part of the body
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connective tissue
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a body tissue that provides support for the body and connects all of itss parts
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epithelial tissue
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a body tissue that covers the surfaces of the body, inside and out
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organ
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a structure in the body that is composed of different kinds of tissue
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organ systems
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a group of organs that work together to perform a major function in the body
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homeostasis
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the process by which an organism's internal enviroment is kept stable in spite of changes in the external enviroment
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stress
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the reaction of a persons body and mmind threatening, challenging, or disturbing events
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adrenaline
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a chemical that gives a burst of energy and causes changes in the body to prepare a person for quick action
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wellness
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the state of being at the best possible level of health- in the body, the mind, and the relationships with others
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physical health
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a component of wellnes that consists of how well the body functions
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mental health
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a component of wellness that involves a person's feelings or emotions
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peer pressure
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the pressure from friends and classmates to behave in certian ways
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continuum
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a gradual progression through many stages between one extreme and another, as in the illness-wellness continuum
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