It is best if you pay attention to how you live or move by your will... for example press against something... you have the will to press harder or softer...
let's look at cells they depend on nourishment too and I believe do have a will again look at your will to understand (press against something hard or soft)
nourishment we need for our body... I would say that life is depending on God in our need of nourishment, will to accomplish a task which is not a chemical reaction