The functions of endoplasmic reticulum are:-
. It forms the supporting framework of the cell.
.It divides the cell into small compartments for metabolic activities.
. It is associated with the synthesis n storage of materials
.rough endoplasmic reticulum is the site of protein synthesis
. its channles act as pathways for the transport of materials from one part of the cell to the other, hence it is called the circulatory system of the cell.