That part of the body into which the food that is eaten goes and where it is digested, is the place where the embryo lives, but it is not disgested there.
अन्नपानानि जीर्यन्ते यत्र भक्षाश्च भक्षिताः। तस्मिन्नेवोदरे गर्भ: किं नान्नमिव जीर्यते॥