What are CELLS?

 AFTER SEEING THE VIDEO WE GET AN OVERVIEW WHAT IS A CELL 

cells are the basic structural and functional unit of life meant as the smallest unit that can survive independently . 

cells can be seen of different shapes but they cannot be seen by naked eyes , so they are seen under a microscope .

due to the discovery of microscope , a new field of biology came to be known as cytology . 

cells are different from each other in many ways...