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.
Eat beneficial foods. On the flip side, there are certain foods that can help to clear out the mucus in your chest and lessen its production. Eat spicy foods, citrus fruits, garlic, and ginger for easy chest congestion relief. In particular, asparagus and pineapple have shown to have chest-clearing benefits as well.
The most popular factor which triggers chest congestion is common cold. Also fungi, bacteria and allergens can also trigger chest congestion as well as infection. Some other medical conditions such as pneumonia, the flu, tuberculosis, bronchitis, asthma do contribute to the occurrence of chest congestion.