10. Answer briefly II

 

 

A complex permanent tissue made up of differentsame types of cells having a differentcommon origin. Even though the cells' appearance is different, but all working as a unit to perform a particular function.

Complex permanent tissues are of  threetwo types, i.e., parenchyma, collenchyma and sclerenchymaxylem and phloem. They are also called conducting tissuesvasular or conducting tissuesvascular tissues, mainly made up of  parenchyma and collenchyma cellsparenchyma and sclerenchyma cells, but sclerenchymatouscollenchymatous cells are not present in complex permanent tissues.