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.
Lemon can also help treat chest congestion naturally. The citric acid in lemon reduces the thickness of the mucus, so that it can be expelled from the body easily. Plus, the vitamin C in lemon helps improve the bodyâs immunity. Add 1 tablespoon of lemon juice to a glass of hot water along with a little honey. Drink this solution several times daily. Another option is to add 1 tablespoon of grated lemon zest to a cup of hot water. Cover and allow it to steep for 5 to 10 minutes. Strain and drink the warm solution. You can even gargle with it.