Introduction to Cells. Cells  Cells are the basic unit of all living things  If it is alive, it has cells!

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Presentation transcript:

Introduction to Cells

Cells  Cells are the basic unit of all living things  If it is alive, it has cells!

Two “Classes” of Cells  There are 2 classes of cells.  Animal cells  Plant cells Plant cells Animal Cells

Cell Differentiation  There are only 2 classes of cells (plant & animal), but there are many kinds of cells in each class.  Each kind of cell has a DIFFERENT job to do, and specializes itself for that job  For example, a heart cell will be shaped differently than a skin cell I am a heart cell! I am a skin cell I’m a Prison Cell!

Cell Theory  There are 3 laws in Cell Theory  1. All living things are composed of cells  Cells are the basic unit of structure and function in living things  All cells are produced from other cells 

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