O2

Alive, or just breathing? I inhale a deep, wonderful gasp of air, and as my lungs deplete the oxygen from it, my body is nourished. Tiny blood vessels in my lungs pump these oxygen molecules into the chambers of my heart, thus delivering it to various parts of my body. Throughout my entity, this oxygen is used to create energy for whatever function is programmed: My brain writes the software for these programs. With this I now have the capacity of thought, with which I may solve problems, communicate, create, learn, etc. And so, I owe this all to oxygen? My sustenance? The giver of life? Or just breath...