Why is a cell the main structural unit of a living organism?

The cell is the smallest structural unit of life. An organism can be composed of one cell. For example, various bacteria or protozoa. Several cells form an already more complex organism. We are made up of different types of cells that interact with each other. Cells can have specific functions. Therefore, cells are the smallest structural units of any living organism. Plus, not all cells need to be alive. Plants have vessels that are made up of dead transport cells.



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