Definitions for "Physiology"
The science which treats of the phenomena of living organisms; the study of the processes incidental to, and characteristic of, life.
The study of how the body works
The study of how the body functions.
Keywords:  treatise
A treatise on physiology.
referring to the body. In NLP the term is used to describe or indicate such indicators as posture, breathing, heart rate, muscle tension and psychological or emotional state.
Concerning the body, rather than the mind. Develop the skill of calibrating to subtle shifts in physiology if you want know what is going on for others.
Physical and chemical processes that are required for life activities (cellular level).