Systems

take a peek into a microscope and this is what you may see. Do you know what these are?
Any living thing that can live on its own is an organism. A organism are made up of cells. A cell is the basic unit of life that forms all living things on the earth. Bacteria and yeast are simple living things consisting of only one cell. On the other hand, animals and plants are made of millions of cells. so are you.
Do you know how your cells arranged to form your amazing body?
Cells unite to form tissues. An example is your muscles. Several types of tissues group to make an organ, such as your stomach.
Organs that work together to perform a special purpose form a system. The various systems of your body form a complex system, which is you!.