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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 |