“Tissues” is a chapter in the NCERT science textbook of standard IX. All living organisms are made of cells. Unicellular organisms have a single cell whereas multicellular organisms have millions of cells. In unicellular organisms, a single cell performs all basic functions. In multicellular organisms, a particular function is carried out by a cluster of cells at a specific place in the body. Cluster of cells that are arranged and designed to give the highest possible efficiency of function is called tissue. Are you interested in understanding more about animal tissues? Download this PPT along with the first part of this chapter to learn this topic thoroughly and do well in your exam.

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