Answer:
#Cell is the fundamental unit of our lives. All living being are made up of these tiny cells.
#Cell is the structural unit of life. This means that many cells combine to form tissues which combine to form organs , many organs combine to form an organ system and many organ systems combine to form the human body. Cell thus gives us the basic structure of our body.
#Cell is also the functional unit of life i.e. it performs various functions like digestion, egestion, respiration, reproduction etc.