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.
Although, during the day you should take medicine with a chest decongestant without a cough suppressant. For children it is suitable to give them; MucinexÂ® Mini-Meltsâ¢ Grape Flavor â Age 4+ is one of the best medicines for children suffering from chest congestion.