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human body systems
boby
| Term | Definition |
|---|---|
| tissue | a group of similar cells that preform the same function |
| organ | a structure that is composed of different kinds of tissue |
| organ sytem | a group of organs that work together to preform a major function |
| homeostasis | the body's tendency to keep an internal balance |
| stress | the reaction of your body to potentially threatening, challenging, or disturbing events |
| Vitamins | helper molecules for many of the body's processes |
| nutrients | substance in food that your body uses to carry out life processes |