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