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CellsTissues Organs
LC Biology Ireland
Term | Definition |
---|---|
cell | basic/smallest structural unit of living things capable of functioning independently |
tissue | group of cells with a similar function |
organ | group of tissues with a similar function |
organ system | group of organs with a similar function |
2 Plant tissue examples | Meristematic and Vascular tissues |
2 Animal tissue examples | muscular and nervous [tissue] |
Function Meristematic tissue | Area of active cell division (mitosis) which produces ‘simple’ cells |
Function Vascular tissue | Tissue involved with transport of water & food in a plant |
Function of muscular tissue | a tissue that can only contract and relax for movement |
Function of Nervous tissue | tissue that transmits electrical impulses to and from the brain |
1 plant organ | root |
Function of root | anchors plant or stores food or absorbs water |
1 animal organ | Skin |
Function of skin | temperature control or sense organ |
example of animal organ-systems | digestive system |
tissue culture | a method for growing individual cells with a similar function outside an organism. |
organelle | a structure in a cell specialised to perform specific function |