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Cell Processes
Question | Answer |
---|---|
Cell | The smallest unit of life that can perform all life functions: eat, grow, reproduce. |
Tissue | A group of cells that work together to do the same job. |
Organ | A group of tissues that work together to perform body functions. |
Organ System | A group of organs that work together to perform body functions. |
Diffusion | The movement of material from an area of high concentration into an area low concentration. |
Osmosis | The movement of water across a semipermeable membrane. |
Passive Transport | When cells don’t use any energy to move materials in and out of the cell. |
Active Transport | When cells have to use energy to move materials in and out of the cell. |
Endocytosis | When a cell surrounds a large particle in a pseudopod and uses energy to pull it into the cell. |
Exocytosis | When a cell surrounds a particle in a vesicle and pushes it out of the cell. |