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Cell in Living Thing
Chapter 1 lesson 1 Science
| Question | Answer |
|---|---|
| oxygen | a part of the air that is needed by most plants and animals to live |
| organism | a living thing that carries out five basic life functions on its own |
| cell | the smallest unit of living matter- the 'building blocks" of living things |
| tissue | a group of similar cells that work together to do a certain job |
| organ | a group of tissues that work together to do a certain job |
| organ system | a group of organs that work together to do a certain job |