Cells also divide so living things can grow. When organisms grow, it isn't because cells are getting larger. Organisms grow because cells are dividing to produce more and more cells.
Cell division also enables sexually reproducing organisms to develop from a single cell, the fertilized egg or zygote Cell division involves in repairing of cells e.g. bone marrow makes the new blood cells. It is important because it distributes the identical genetical material to daughter cell.
Food is made up of cells. those cells contain theyre own DNA without it they wouldnt exist. and when we consume it from other organisms it dies and breaks down and doesnt enter the blood stream