We learn from the things around us. We learn from what we see, hear, feel, taste and smell. We recognize objects, sounds, smells, tastes, pleasure, pain, pressure, and temperature through our sense organs. We have five sense organs. Each of them has parts and functions which we should know and understand so we can take care of them. By this, we need to develop good health habits. This monograph will help you understand the sense organs. This will illustrate how important our sense organs to our daily lives. It will discuss how they work and the ailments that may affect them.