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19 Cards in this Set

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