In this video the author shows about the different parts of a biological cell. He intends to explain the parts of a cell by using a diagram and incrementally building different parts of the cell explaining them along the way. he starts with drawing the cellular membrane which is the boundary or outer cover of the cell. Now he starts with drawing the DNA which are also called as he genes of the cell. Now he draws and shows other parts of cell called eukaryotes, chromatin and also nucleus which is a covering to the DNA of the cell. This video explains the different parts of a cell using simple diagrams and illustrations.