Chemistry of Life, The Journey of a Carbon Atom
Suddenly you feel yourself being pulled away from your exploration, probably into the bloodstream of whatever you're inside of. While in the bloodstream you see various different types of cells on your way around the body. One caught your eye or better said proton, a lone cell that has just finished mitosis and is in the process of growing. "This would be a good place to stay in for a while, it won't change much for a while," you think to yourself.