| Term | Definition |
|---|---|
| nucleus | control center of the cell contains DNA and chromosomes |
| cytoplasm | all the living material in a cell except the nucleus. jelly like material that holds the organelles |
| cell walls | found only in plant cell – provide protection and support for the plant cell |
| mitochondria | powerhouse of the cell – makes energy from food available to the cell |
| ribosomes | protein factories |
| endoplasmic reticulum | highway of the cell- transports materials throughout the cell |
| cell membrane | protective boundary around the cell that controls what goes in and out of the cell |
| golgi bodies | manufacturing and shipping- materials carried by the ER stop here to get altered |
| lysosomes | break down and digest waste materials from the cell |
| vacuoles | store food material and water |
| chloroplasts | found only in plant cell- contain chlorophyll that traps sunlight to make food for the plant |
| unicellular organisms | Unicellular organisms are organisms that have one cell |
| multicellular organsims | organisms that have more than 1 cell |
| flagella | whip-like tail that propels the cell |
| cilia | many hair like structures surrounding the cell to facilitate movement |
| pseudopod | means "fake foot" cytoplasm is projected in the direction the cell wants to move |
| cell | basic unit of structure and function in all living things |
| tissue | a group of cells that perform a similar function; |
| organ | a group of tissues that combine to have a specific vital function, such as the heart or liver in humans. |
| organ system | a group of organs that work together to perform one or more functions. Each does a particular job in the body, and is made up of certain tissues. |
