Gwen Stefani is American. Her family heritage is: Italian (father) Irish, Scottish, English, Norwegian, German (mother)
Cell (biology) The cell is the structural and functional unit of all living organisms, and is sometimes called the building block of life.. Some organisms, such as bacteria, are unicellular, consisting of a single cell. Other organisms, such as humans, are multicellular, (humans have an estimated 100 trillion cells; a typical cell size is 10 Âµm, a typical cell mass 1 nanogram). The largest known cell is an ostrich egg.
Robert Hooke, one of the first scientists to use a light microscope, discovered the cell in 1665. In all life forms, including bacteria, plants, animals, and humans, the cellBasic structural and functional unit of all life. was defined as the most basic structural and functional unit.n all life forms, including bacteria, plants, animals, and humans, the cellBasic structural and functional unit of all life. was defined as the most basic structural and functional unit.