[Mr. Nobody]

The DNA regulates your growth in accordance with what evolutionary path your ancestors took.
We store and use energy from light (sun) and/or nutrients (matter) and convert it into growth, heat, fat (energy storage for mobile live forms) and muscle contraction (motion for mobile live forms)
The something is an emergence born out of millions (and billion if we expand it to include stars) of years of evolution to harness order within increasing disorder. Matter sprung conciousness in response to that process and it recognized the value of flexibilty and anticipation of repitive patterns within an ever changing environment.
We don't really live in a universe of nothing since even the depths of empty space are filled with the energy undulations of fluctuating EMR fields.

Gravity, the force that appears to oppose entropy locally but still increases entropy on a large scale is an oddity in the universe and why there is live