Introduction of Cell

Описание: Cell is defined as the smallest structural and functional unit of an organism.
since, each cell is the building block, it can individually also perform all basic functions of life most cells are so small that they cannot be seen with the naked eye. one can view them only under the microscope.
cell are of different kinds .they vary from each other in their shape , size, structure and number. In this video you will learn about the classification of cell depending on many aspects.
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