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.
You can use fresh onion juice as one of the home remedies for chest congestion. You can take one teaspoonful of fresh onion juice every morning to clear the chest congestion. Another important home remedy for chest congestion is to take fresh onion juice along with honey mixed in equal proportion.