Answer: The cells unit
Explanation: Cells are basic units of structure and function in living things.
This means that cells form the parts or an organism and carry out all of the an organism’s processes, or functions. The structures of living things are determined by the variety of ways in which cells are put together. An organisms functions are processes that enable it to stay alive and reproduce. One square centimeter of your skin’s surface contains approx. 100,000 cells.
