I admittedly do not know a lot about cells...all I know is that they compose life. Now, a cell is made up of thousands of atoms correct? What I do remember from my last bio class was that there are different parts of cells that do different functions. My question is, do the parts of cells performing their functions do so because of physical laws, not biological? For example, if one part of a cell is in charge of discreting waste, does it do so because of physical laws? I don't know if I am being clear - for example, A bullet leaves the barrel of a gun because of physical laws, because of the energy released by the explosion.