Air passes through this tube to equalize pressure 1,000 times a day. The nose is the main entry point of air for the lungs. Inhaled air is cleansed, moisturized, and warmed by the cilia and mucus that line the nasal passages. In addition, when cilia are touched by air, they send nerve impulses to the olfactory areas of the brain, which register our sense of smell. A Close Look at the Throat Return to top The throat consists of the pharynx, epiglottis, and larynx.
Food travels through the pharynx on the way to the esophagus and stomach.
Air passes through the pharynx en route to the trachea and lungs. When we swallow, food and liquid chewed or manipulated in the mouth is propelled backward by the tongue. It then moves through the pharynx and on to the esophagus and stomach. With this basic anatomy in mind, let's take a look at the afflictions to which all three of these crucial organs are most prone. Treating Ear Disorders Return to top Swimmer's ear , or infection of the outer ear canal, is caused by bacteria or fungus that grow when water becomes trapped in that passageway.