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.
Follow these remedies for a few days or until your chest congestion is treated completely. 6. Onion. Onion is a good remedy for chest congestion. It has quercetin that helps dissolve the mucus. Plus, it prevents further buildup of mucus in the chest. Its antimicrobial properties also help prevent infection. Extract the juice of 1 onion.