What is a cell and why is it called the fundamentalunit of life? Why is our body made up of cells??

Asked by ritu keskar | 16th Apr, 2012, 06:59: PM

Expert Answer:

Cell is an autonomous self-replicating unit that may exist as functional independent unit of life (as in the case of unicellular organism), or as a sub-unit in a multicellular organism that is specialized into carrying out particular functions towards the cause of the organism as a whole.
There are two distinct types of cells:
  • Prokaryotic cells (such as bacterial cells) and
  • Eukaryotic cells (such as plant or animal cell)


All living organisms whether small or big, are made up of cells. A cell is the smallest unit of life and is capable of carrying out all living functions. Cells are the building blocks of life. Cell is a self-sufficient living entity. All the metabolic activities of life like respiration, digestion, excretion etc. occur at the cell level. Hence cell is called the structural and functional unit of life.

Answered by  | 17th Apr, 2012, 08:07: AM

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