Sinuses are hollow air cavities in the skull connecting the nasal passages. They are connected via a narrow passageway called the ostium. The purpose of the sinuses is to humidify the air to the lungs, as well as create mucus secretion to eliminate unwanted particles from the body. They are a vital part of the respiratory process to bring the proper air, warm temperature and humidity into the lungs, providing life to the body. Think of the sinuses as your body’s air filter.
There are four pairs of sinus cavities, which are described as one functioning unit called paranasal sinuses. Continue reading “What Are Sinuses & How Do They Work?”
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