Body structure

an **introduction to medical terminology** through the lens of **human body structure**. It begins by explaining how **cells form tissues, organs, and organ systems**, detailing the **components of a cell** and various **tissue types** such as epithelial, connective, muscle, and nervous tissue. The source also covers **anatomical directions and body cavities**, alongside **regions of the trunk and head**, providing **key terms and roots** for understanding medical language related to the human body. Exercises reinforce learning by asking the reader to apply newly acquired vocabulary.