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20 Cards in this Set

  • Front
  • Back
cell membrane
A cell structure that forms the outside boundary of a cell and that controls which substance can enter or leave the cell.
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.
A group of similar cells that perform the same function.
muscle tissue
A body tissue that contracts or shortens, making body parts move.
nerve tissue
A body tissue that caries 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 its parts.
epithelial tissue
A body tissue that covers the surfaces of the body, inside and out.
A structure in the body that is composed of different kinds of tissues.
The reaction of a person's body and mind to threatening, challenging, or disturbing events.
A chemical that gives a burst of energy and causes changes in the body to prepare a person for quick action.
The state of being at the best possible level of health - in the body, the mind, and relationships with others.
physical health
A component of wellness that consists of how well the body functions.
social health
A component of wellness that consists of how well a person gets along with others.
mental health
A component of wellness that involves a person's feelings or emotions.
The basic unit of structure and function in living things.
organ system
A group of organs that work together to perform a major function in the body.
The process by which an organism's internal environment is kept stable in spite of changes in the external environment.
A gradual progression through many stages between one extreme and another, as in the illness-wellness continuum.
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
peer pressure
The pressure from friends and classmates to behave in certain ways.