Question

Wht are cell organells 
wht are cells brief it wid introduction

Answer 1

Cell organelles are structures like mitochondria, plastids, vacuoles which carry out a specialized function like providing energy, carrying out osmosis, synthesis of proteins. They exist within a cell.
cell on the other hand is the smallest structural functional unit. A group of cells lead to the formation of tissues,

Answer 2

A cell organelle is a specialized part of a cell. Cell organelles are found in the cytoplasm of the cell.ex-Ribosomes, endoplasmic reticulum etc
And a cell is the basic functional and structural unit of life
You can relate cell with atoms in chemistry as the smallest particle of matter is atom
similarly the smallest unit of any living organisms is cell