Part A What are the differences between gross anatomy and microscopic anatomy? (Module 1.8A) Gross anatomy is the study of internal body structures; microscopic anatomy is the study of how living organisms perform their functions. Gross anatomy involves the study of tissues; microscopic anatomy involves the study of cells. Gross anatomy is the study of body structures that cannot be seen without magnification, microscopic anatomy is the study of body structures that can be seen with the unaided eye. Gross anatomy involves the study of cells; microscopic anatomy involves the study of tissues, Gross anatomy involves the study of body structures that can be seen with the unaided eye, microscopic anatomy is the study of body sfructures that cannot be seen without magnificat