| A | B |
|---|
| cells | is the basic unit of structure and function of all living things. |
| cell membrane | thin coverings that encloses a cell and keeps its parts together |
| Nucleus | controls the cell’s activities |
| cytoplasm | a jellylike substance containing many chemicals to keep the cell functioning |
| diffusion | particles of a substance move from an area where there are a lot of particles of substance to an area where there are fewer particles of the substances |
| osmosis | the diffusion of water and dissolved materials through a cell membrane |
| Tissue | Cells that work together to perform a specific function |
| organ | tissues that work together form a __________ |
| system | organs that work together to form a ____________ |
| chromosomes | threadlike structures that contain information about the characteristics of the plant or animal |
| mitochondria | releases energy from food |
| vacuole | an organelle that stores food, water, or waste |
| chloroplast | (only in plants) organelles that make food for the plant cell |
| cell wall | (only in plants) rigid layers that supports and protects the plants cell |
