___ is the study of the function of body parts and the body as a whole

Explanation

Physiology studies how body parts work and what they do. It examines how organs function, how systems work together, and how the body maintains health.

Anatomy studies body structure and parts, not function. Sociology studies society. Health education teaches healthy habits. Only physiology focuses on how body parts actually work.

When you learn how the heart pumps blood or how lungs exchange oxygen, you are studying physiology. It explains the function of every body part.