When a person has a cold, the food they eat probably has no taste. Most may think that it is a person's taste buds that give taste to the tongue, but it is actually the nose. Seventy-five percent of what we taste in food comes from our sense of smell. From the sweet flavor of strawberries to the spicy taste of salsa, the tongue itself only tastes twenty-five percent. The average person can distinguish between 4,000 and 10,000 different odor molecules. Although little is known about the nasal cavity, one thing is certain: few things can be tasted without the sense of smell. This phenomenon can be explained by the olfactory receptor membrane and the cilia inside the nasal cavity. This can also be explained by the close connection of the nose and mouth. The presenting problem is important for a person's well-being and knowledge of their body. The olfactory membrane is a part of the nasal lining and is almost entirely responsible for a person's sense of smell. How reliable a person's sense of smell is depends on the size of ...