This document provides an overview of inorganic and organic chemistry concepts relevant to human anatomy and physiology. It begins with definitions of matter, elements, and atomic structure. It then discusses the four most abundant elements in the human body, chemical bonds, and the organization of matter. The document also covers organic chemistry concepts such as carbohydrates, lipids, and their functions in the body. Key chemical processes like oxidation, reduction, and pH are summarized. Overall, the document introduces foundational chemistry concepts that form the building blocks of the human body.