The phrase "body and soul" can be used to refer to the entirety of a person's being, but there are many synonyms for this term that can convey the same sense of holistic existence. Some possible options might include "mind and body," "heart and soul," or "spirit and flesh." Each of these phrases emphasizes different aspects of human experience, with "mind and body" highlighting the interconnectivity of cognitive and physical functions, "heart and soul" emphasizing emotional depth and passion, and "spirit and flesh" calling attention to the intersection of spirituality and physicality. Ultimately, the choice of synonym will depend on the specific context and intended meaning of the phrase.