WHAT IS YOUR BODY MADE OF Nine systems comprise the human body including Circulatory, Digestive, Endocrine, Muscular, Nervous, Reproductive, Respiratory, Skeletal, and Urinary. - What are those made up of? + Tissues and organs. - What are tissues and organs made of? + Cells. - What are cells made of? + Molecules. - What are molecules made of? + Atoms. - What are atoms made of? + Sub-atomic particles. - What are subatomic particles made of? + Energy! You and I are pure energy-light in its most beautiful and intelligent configuration. Energy that is constantly changing beneath the surface and you control it all with your powerful mind. If you could see yourself under a powerful electron microscope and conduct other experiments on yourself, you would see that you are made up of a cluster of ever-changing energy in the form of electrons, neutrons, and photons and so on.