The outermost layer of the uterus is the _____; the thick muscular layer the _____; and the inner layer the _____, which includes a region that grows thicker in preparation for pregnancy, and is then discarded if no pregnancy occurs.

3000+ review questions on anatomy and physiology. 

Anatomy refers to the internal and external structures of the body and their physical relationships, whereas physiology refers to the study of the functions of those structures.