This document provides information about body parts and diseases in the context of medicine and health. It begins with sections defining common terms used to describe health, illness, and recovery. It then matches English terms for body parts with their anatomical/medical equivalents and provides examples of referring to body parts in a medical examination. Systems of the body like the thoracic cavity and abdominal cavity are explored with labeled diagrams. The document concludes by matching common diseases to the organs they affect and providing short definitions for each disease.