In any flesh-and-bones body, there are a variety of cells. There are nerve cells, blood cells, muscle cells, and many others, each having a distinct function. The body operates smoothly, not because the cells get together and vote on what to do, but because each one does what it was designed to do. It is the function of the head to bring all these different functions togethe…
Baker Books , 1500 Illustrations for Biblical Preaching, by Michael P. Green