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.
Leave on for 5 to 10 minutes. Mint in general is considered to have allergy-reducing properties, so a cup of mint tea might help, too! 5. Herbal tonic oil can combat congestion. Relieve chest congestion by rubbing tonic oil on your chest and upper back.