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human body week 2
| Term | Definition |
|---|---|
| tissue | A group of cells that work together to carry out a particular task (job) in an organism |
| organs | A group of tissues that perform a complex function (job) in a body. Examples: lung, heart, liver) |
| organ systems | A group of organs that work together to perform a certain task (job). Examples: Skeletal, Muscular, Digestive) |
| organelles | A tiny structure within a cell that performs a specific function (job) for that cell. They float in the cytoplasm of the cell. |
| function | the “job” of specific cells, tissue, organs, or organ systems |
| nucleus | a region in a cell that is surrounded by a membrane and contains genetic material |
| cell wall | a stiff structure that surrounds and protects a cell, found only in plants |
| organism | an individual living thing |
| cytoplasm | The liquid inside of a living cell |
| cell membrane | the boundary the surrounds a cell and controls which substances can enter or leave the cell |
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