| A | B |
|---|
| type of transport requiring energy to move materials across the cell membrane | active transport |
| the absorption and circulation within an organism | transport |
| the movement of particle from an area of high concentration to low concentration | diffusion |
| passage of materials across the cell membrane | absorption |
| themovement of materials within a cell or throughoutan organism | circulation |
| a type of transport without using energy | passive transport |
| the diffusion of water across a membrane | osmosis |
| made up of proteins and lipids | cell membrane |
| circulation occuring inside a cell | intracellular circulation |
| circulation occuring outside a cell | extracellular circulation |
