These two functions make man different from everything else in creation. These two functions make your outward appearance different from others. Your inner self is formed by these two functions, and is reflected in your outer characteristics. Energy is matter and matter is energy. God is energy.
Energy is a form of vibration.
Scientifically speaking, we are all a mass of energy. Whatever kind of mass you have is composed of three things, neutrons, protons and electrons. The consistency of molecules God alone knows. Man is not sufficiently advanced. But we can change a molecule.