Cells are the basic structural units of living organisms'. Explain .

Explanation

Cells may be compared to bricks. Bricks are assembled to make a building. Similarly, cells are assembled to make the body of every organism. There are millions of living organisms.
They are of different shapes and sizes. An organism with billions of cells begins life as a single cell which is a fertilized egg. The fertilised egg cell multiplies and the number of cells increases as development proceeds. So, cell is called the basic structural unit of living organisms.