Answers

2013-12-30T14:42:57+05:30
I'd go for 'cells' as they are the smallest "bricks" that any organism is made of. Moreover, the smallest living creatures are the single-cell ones, for example amoeba. 
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2014-01-02T10:43:18+05:30
I think cell is the basic unit of life .humanbeings are made up of million cell.
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