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human body systems
| Term | Definition |
|---|---|
| tissue | a group of similar cell that perform a specific function |
| organ | a body structure that is composedof different kinds of tissues that work together |
| organ system | a group of organs that work together to perform a major function |
| gland | an organ that produces and releases chemicals either through ducts or into the boodstream |
| hormone | [1] the chemical produced by an endocrine gland [2] a chemical that affect growth anddevelopment |
| stress | the reaction of a person body to potentially threatening challenging or disturbing events |
| interactions | the direct effect that one thing has on another |
| stable | resistant to sudden change |