Cell
Cell: a small usually microscopic mass of protoplasm bounded externally by a semipermeable membrane, usually including one or more nuclei and various other organelles with their products, capable alone or interacting with other cells of performing all the fundamental functions of life, and forming the smallest structural unit of living matter capable of functioning independently.¹ A cell contains many organelles², such as: • Mitochondria- which are the cells power centers, providing movement, division, secretion, etc.