• Nose

    Allergic rhinitis, a deviated nasal septum, and chronic sinusitis are among the most prevalent nose-related conditions. The treatment of the sinuses and nasal cavities is one of the otorhinolaryngologist's main specialties. Allergies, polyps, nasal blockage, bleeding, tumors, and odor abnormalities are a few more issues with the nasal region.In vertebrates, a nose is a protrusion that contains the nares, or nostrils, which accept and release air for breathing together with the mouth. The olfactory mucosa and sinuses are located behind the nose. Air then enters the pharynx, which is shared with the digestive system, after leaving the nasal cavity and before entering the remainder of the respiratory system.

    In humans, the nose is situated in the middle of the face and acts as an alternate breathing path, particularly while a newborn is sucking. Only therian animals have a projecting nose that entirely separates from the mouth portion. According to one theory, the anterior portion of our mammalian ancestors' upper jaw gave rise to this species' distinctive snout (synapsids).

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