Functional anatomy refers to the study of the structure of an organism or system in relation to its specific functions. It involves understanding how different components of an entity are organized and interconnected to perform their respective roles and contribute to the overall function of the system. In the context of the human body, functional anatomy delves into how various organs, tissues, and systems work together to support life, maintain homeostasis, and enable specific activities and processes. This understanding is crucial for medical professionals, researchers, and educators in various fields, as it provides insights into the mechanisms underlying physiological processes and helps guide interventions and treatments.