Organic structure refers to the internal makeup of living organisms. There are several synonyms used for organic structure, including "biological structure," "living structure," and "anatomical composition." Other terms that can be used to describe organic structure include "cellular organization" and "physiological arrangement." These terms all describe the way that living things are constructed and organized, from the macro level down to individual cells and molecules. Understanding organic structure is critical for fields like biology and medicine, which study the inner workings of living organisms to improve health and quality of life. Each synonym offers a slightly different perspective on the complex systems that make up life on earth.