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.
Garlic strengthens the immune system as well as helps to fight chest infections, coughs and congestion. In the winter months garlic is a great food to boost your immune system and ward off colds and flu. An old folk remedy is to eat a clove of garlic that has been dipped in honey at the first sign of a cold.