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Keratitis
...  rate of tear formation. People who excessively use their contact lenses are also susceptible to the inflammation of the cornea. The cornea would also be inflamed upon the accidental insertion of foreign objects in the eyes. Harmful agents from pollution, dust, pollen, and other airborne particles could also irritate and cause the eye’s cornea to become inflamed. Sometimes, a deficiency  ...

Angioedema
...  report that insect bites, pollen and even simple exposure to heat or cold and even sunlight can trigger angioedema. Whenever there is an allergic reaction, histamines are produced by the body when a foreign object is detected by the immune system. It is this histamine which results in the swelling such as hives and the other symptoms. Angioedema also has some non-allergic reactions. Patients who  ...

Nose
...  of air through the nostrils going to the nasal passages. The air then travels to the nasal cavity and into the back of the throat going into the windpipe or the trachea. The air is filtered from foreign objects by the cilias that are found in the trachea, and this air goes to the lungs. The old air in the lungs also goes out of the nose, which is what we call exhalation. When we inhale air,  ...

Trachea
...  cilia. The cilia protect the lungs from fluids and foreign particles by sweeping them out of the airway. It also helps push potential objects that can cause respiratory failures and choking. When a foreign object is trapped in the trachea and blocks the airway, choking occurs. The body’s response to choking is through the coughing reflex. This allows the cilia or the ciliated cells to  ...


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