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.
Common symptoms include a tightened chest, irritation in the throat, mild chest pain, cough, shortness of breath, dizziness and difficulty breathing. Both over-the-counter and prescribed medicines can help treat chest congestion. You can also use some simple, natural home remedies to get rid of chest congestion.