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.
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. 1  Extract the juice of 1 onion. 2  Add equal amounts of lemon juice, honey and water.