By far the best-studied benthos are the macrobenthos, those forms larger than 1 mm (0.04 inch), which are dominated by polychaete worms, pelecypods, anthozoans, echinoderms, sponges, ascidians, and crustaceans.
Gargling with salt water several times a day is an effective treatment for chest congestion. While the salt helps remove mucus from the respiratory tract, the hot water reduces irritation in the throat. 1  Add 1 teaspoon of salt to a glass of warm water.  Mix well until the salt is dissolved thoroughly.
People who are suffering from chest congestions might experience chest pains, cough and difficulty in breathing. Chest congestion can be caused by bronchitis, pneumonia, post-nasal drip and allergic reactions. Treatment of chest congestion focuses on removing the mucus or excess fluid in the lungs. This can be done with the help of medications and nebulization.