Cells are the smallest unit of life and make up all living beings. It is referred to as the structural and functional unit of life since it aids in the performance of processes like as breathing, nourishment, digestion, and excretion.
An animal cell is a type of eukaryotic cell that has a membrane-bound nucleus that contains DNA. Other cellular structures and organelles are included, which aid in the execution of certain duties essential for the cell's normal functioning.