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Science.2/4/16
Study for Test
| Term | Definition |
|---|---|
| Human Body | Cells,tissues,organs,organ systems are in it |
| Tissue | a group of similar cells that perform that same function |
| Organ | a structure that is composed of different kinds of tissue |
| organ system | a group of organs that work together to perform 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 |
| Skeletal System | All of the bones in your body(206 bones for adults) |
| Joints | where two bones come together hold teeth+ligaments+cartilage |
| inside bones | compact bones-hard outside-spongy bone- softer porous |