This document provides a review of key concepts in anatomy and physiology including defining anatomy, physiology, metabolism, homeostasis, epidemiology, and somatotype. It also lists the levels of organization in the body from smallest to largest, components of a feedback control loop, examples of organelles, components of atomic weight, the definition of an isotope, types of chemical bonds from strongest to weakest, properties of water, acids and bases, and the percentage of the body that is water.