https://www.khanacademy.org/science/ms-biology/x0c5bb03129646fd6:cells-and-organisms/x0c5bb03129646fd6:cells-organisms/v/ms-cells-and-organisms 2022-09-10T03:04:58.582913383Z Cells and organisms All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular). Khan Academy video https://cdn.kastatic.org/ka_thumbnails_cache/4c87c6c9-4669-4319-91b7-935603e64401_1280_720_base.png Cells and organisms All living things are made up of cells, which is the smallest unit that can be said to be alive. An organism may consist of one single cell (unicellular) or many different numbers and types of cells (multicellular). https://cdn.kastatic.org/ka-youtube-converted/Uiqro5TUyLA.mp4/Uiqro5TUyLA.mp4 237 Introduction to Cells