* Scientific terms are specific: In biology, we use precise terms to refer to specific structures, organs, or systems. "Whole body" is too general.
* Focus on systems: We often talk about organ systems like the skeletal system, muscular system, or nervous system, rather than the entire body at once.
* Context matters: The most appropriate term depends on what you are discussing. For example, in anatomy, you might talk about the "human body" or "the organism". In physiology, you might refer to the "somatic system" which refers to the body as a whole excluding the brain and spinal cord.
So, instead of trying to find a single name, think about the specific aspect of the "whole body" you're interested in and use a more precise term.