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20 Cards in this Set
- Front
- Back
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cell membrane
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A cell structure that forms the outside boundary of a cell and that controls which substance can enter or leave the cell.
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cytoplasm
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The region between the cell membrane and the nucleus in which cell structures are found; in organisms without a nucleus, the region is located inside the cell membrane.
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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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A body tissue that contracts or shortens, making body parts move.
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nerve tissue
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A body tissue that caries 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 its 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 tissues.
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stress
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The reaction of a person's body and mind to 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 relationships with others.
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physical health
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A component of wellness that consists of how well the body functions.
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social health
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A component of wellness that consists of how well a person gets along with others.
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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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cell
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The basic unit of structure and function in living things.
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organ system
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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 environment is kept stable in spite of changes in the external environment.
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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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nucleus
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A cell structure that contains nucleic acids, the chemical instructions that direct all the cells activities and that contain information that determines the cells characteristics; also the central core of an atom, which contains protons and usually neutrons
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peer pressure
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The pressure from friends and classmates to behave in certain ways.
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