Answers

2014-08-11T20:58:16+05:30
an aggregate of cells usually of a particular kind together with their intercellular substance that form one of the structural materials of a plant or an animal and that in animals include connective tissue, epithelium, muscle tissue, and nerve tissue
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2014-08-11T21:10:15+05:30
Tissue is a cellular organizational level intermediate between cells and complete organism . 
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