Question

Why is the cell called the structural and functional unit of life?​

Answer 1

Cell is called structural and fundamental unit of life because body of all the organisms is made up of cells. It is functional unit of life because all the functions of body (physiological, biochemical. genetic and other metabolic functions) are carried out by cells.

Answer 2

Cell is called the structural and functional unit of life because the structure, shape and size of an organism depends upon the number and organization of cells. Cell is called the functional unit of life because all the metabolic activities performed by the body are the outcome of cellular activities.