<prompt> Necrosis of cells is due to :Ca2 efflux cellFat deposition in cells.Water imbibition in cells.Enzymatic digestion.  <response>: Necrosis: It refers to morphological changes that follow cell death in living tissues. These morphological changes are the result of 2 concurrent processes.1. Enzymatic digestion.2. Denaturation of proteins. The enzymes used in the process are derived from 2 sources:1. From the lysosomes of the dead cells themselves Autolysis.2. From the lysosomes of immigrant leucocytes Heterolysis. 