Cells are the basic unit of structure and function of all living organisms.
The order of organization in multicellular organisms are cells, tissues, organs, organ systems, and organisms. This is because this is how it ranks - cells make tissues, tissues make organs, and etc.
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Helium, with two protons, will have two electrons. In the chemical classroom, the proton count will always be equivalent to an atom's atomic number. This value will not change unless the nucleus decays or is bombarded (nuclear physics). Figure \(\PageIndex{1}\): The periodic table of the elements.
