How Bhakti dissolves different bodies?

If you are an ayurvedic physician, you will know if food is digested or not and how all kinds of different parts of the body broke down due to indigestion and will result in generation of toxin.Toxin will go through different parts of body leading to different diseases.
We don’t know how fire of digestion works.Similarly Bhakti dissolves subtle body and which in turn dissolves material body and makes one to be in situated in spiritual body and that is the power of Bhakti.