Our bodies are very organised, because without it, we would die.
There is a hierarchy of organisation for our bodies, and they are: the Cells, Tissues, Organs, and Organ systems.
Cells are the smallest unit of life on this planet, being small and specialised to take on tasks.
Tissues are large groups of specialised cells and often coat large amounts of space on our bodies, like the tissues in our mouths, and the tissues that form when we hurt we hurt ourselves, named scar tissues.
Organs and Organ Systems, are for well what they are named. These are often known as Lungs, Kidneys, your Heart, and other organs. Organ systems are sytems by organs in order for you to breath, like the respitory system.
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