Let us give some thought to the Y chromosome of Drosophila melanogaster, that engaging fly which is the bond-servant of genetics.
Picture a hidden city, that though it cannot be seen, is everywhere. Sound crazy? It’s real.
Recently I had the opportunity to see Prague’s famed astronomical clock, the oldest still-working astronomical clock in the world. It is truly phenomenal.
About the movement of organelles: There are molecular motor proteins that haul them around!
Let’s consider the eye, which is but one of many subsystems (along with the brain, heart, liver, lungs, etc.) in higher animals that coordinate their tasks to keep an organism alive.