Similar in meaning:
* Body function: This is a general term for how the body works.
* Biological function: This emphasizes the biological processes involved.
* Physicology: A less common term that emphasizes the physical aspects of physiology.
* Biomechanics: This focuses on the mechanical aspects of body movement.
More specific terms:
* Anatomy: While not a direct synonym, anatomy studies the structure of the body, which is closely related to physiology.
* Physiological processes: This refers to the specific functions of the body, like digestion or respiration.
* Organismal biology: This focuses on the functioning of the whole organism.
Informal alternatives:
* The workings of the body: This is a simple and direct phrase.
* How the body works: This is another clear and concise option.
Ultimately, the best alternative depends on the specific context.
